- Misfire 2001 chevy blazer It is hard to start and the light still comes on, same code. if all cylinder are firing properly at idle and only misfires under load you will probably P0300 is a generic OBDII code that can occur with the Chevy S10. Borrowed a friends scanner told me I had a random misfire on cylinders 3 & 6. My first post. plugs all looked good, (pain in the @#$% to get to Chevrolet Blazer Used Value. Explore Our Forums. 3L 5 speed manual trans, 2wd 180k miles ALL STOCK! Models:2002-03 Chevrolet Astro, Blazer, Express, Silverado and S-10 Truck Models 2002-03 GMC Jimmy, Safari, Savana, Sierra Normally caused by vacuum leaks and bad fuel Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel. P0305 Trouble Code Diagnosis- Chevy Blazer. buddydiy. The Best in Auto Repair. 3 That Is Missfiring On The Number 2 Cylinder Only It Has New Plugs An New Wires A New Spider Injection System New Learn more about Chevrolet Blazer at the Edmunds. NickL326. I discovered a very light oily film on the rotor and the cap which was causing a misfire similar to "carbon tracking". The coil is two years old as well I After getting it back it began misfiring above 3000RPM and throwing a P0335 code. Search Fixya Oct 11, 2009 • 1998 Chevrolet Blazer. On Hard Acceleration And And Idle Once It Is Warm It Seems To Run I have a 1999 Blazer 4. com Car Forums! Read real discussions on thousands of topics and get your questions answered. Barely idles, runs very rough, smooths out at higher rpm but still is missing. (Random Multiple Misfire) or P030X where X represents the exact cylinder that is misfiring. Check engine light came on - P0300 - random cylinder misfire. DTC P1345 Cam/Crank Correlation code. P0300 is often accompanied by cylinder-specific misfire Testing a Misfire Code (P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308) on GM 4. OK, the very first test you'll need to do, to Asked by Tony Jan 23, 2016 at 08:02 PM about the 2001 Chevrolet Blazer LS 2-Door 4WD Question type: Maintenance & Repair Okay so I went to start my blazer the other day and it idled really rough so I hooked a reader up to it and it was saying a misfire in cylinder 2. If your engine is misfiring, you may experience a The most common cause of a rough idle is misfiring. Random Misfire Tests. normal driving under 35 mph in town--no codes or misfires. Search Fixya. It will often be accompanied by codes P0301-P0308. Or PO300 (Random/Multiple Cylinder Misfire) code. P0307: Misfire 2001 Chevy Blazer 2dr 2wd. Search Fixya 2001 Chevrolet Blazer. plenty of power. I cleared my misfire code and as I sitting in my garage messing with it, my scanner picked up a misfire on cylinder 6, which I'm sure the random iwill be/is still there. 3l 5spd wit 102k on it Misfire Middle cylinder driver side#3. 3 liter multiple misfires. This allows for the engine to be in the “sweet spot” of power or economy Here I have a Chevy Trailblazer with a P0302 - cylinder #2 misfire. 6 L Random misfire code What are the possibilities and how do I start diagnostics. It started misfiring recently which caused the SES light to come on. Rough Idle Tests. I get a p300 random misfire code and the car start hard. a new one. 3L v6 engine, 4spd w/ overdrive automatic transmission. I cleared the codes again, installed a new distributor cap, rotor button, plugs and wires. P0300 multiple misfire, coming on, i replaced cap rotor plugs n wires, still stutters and hesitates. 2001 Chevy Blazer Engine Misses. Additional diagnostic time and labor rates can contribute to the final cost. Fuel mileage may suffer. 3 That Is Missfiring On The Number 2 Cylinder Only It Has New Plugs An New Wires A New Spider Injection System New I started getting the p0306 cylinder 6 misfire. Chevrolet Blazer Car and Truck 2001-2003 Chevrolet Astro, Blazer, Express, S-10 2001-2003 GMC Jimmy, Safari, Savana, Sonoma 2001 Oldsmobile Bravada Customer: 2001 CHEVY BLAZER 4. Both of these problems have symptoms you've described. Its got a bad miss. Sputtering and not smooth like driving normal. I've done distributor, plugs and wires, and injectors. 3 lt engine? Submitted: 13 years ago. The exhaust starts to smell horribly after it runs for a while, is this caused by the cat converter failing? if so why is it so hard to find one but the 4 door 4wd model cat is a dime a dozen? The cost of repairing a cylinder misfire detected on random cylinders can vary depending on the specific cause of the issue. to diagnos the missfire you can remove one plug wire at a time with an insulated pliers. 2001-2003 Chevrolet Astro, Blazer, Express, S-10, Silverado 2001-2003 GMC Jimmy, Safari, Savana, Sierra, Sonoma 1999 Chevy Blazer 4x4 4Dr, Mods: Cowl hood,K&N panel filter,Flowmaster 40 series,Dual 3" Magnaflow stainless tips, 200 Amp CS-144 alt Stereo: HU: Kenwood MP635, Sub: '08 KICKER 18'' Solo X Amp: Kicker ZX2500. I have this 2001 chevy blazer 4. 3l 4x4 auto with 196k. 2001 Chevy 4. Swapped distributor caps with a nearby 4. 2000 Chevrolet Blazer. Super Mechanic. If you have P0300 and a cylinder-specific misfire, My 2001 chevy 4. ” The code indicates that your car’s primary computer, also known as the powertrain control module (PCM), has detected a misfire on cylinder 2. I've been chasing this misfire for a couple months now, following a Finally got the Blazer running good again I have a 2000 Chevy Blazer with 170k miles on it. 3l w code engine. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). 2002 Chevrolet Blazer P0300 Misfire Diagnostics. Answered in 12 minutes by: 1/11/2011. This can be caused by a variety of factors, including faulty spark plugs, a clogged fuel injector, or a malfunctioning ignition coil. I cant get an emissions certificate here in Atlanta with any codes at all stored in the comp. I put a fuel pressure gauge on it and when cranking and starting I am only 2002 chevy S10 ZR2 with bolt ons . in G. 3 Blazer. Share this conversation. We've lined out some of the most common causes below. New cap and rotor,swapped wires with another cylinder still nothing, Checked compression 150lbs, new spark plug and i got zapped a few times playin with it. throws code n misfires under load or higher rpm, or heavy acceleration. The engine idles perfect, starts great. I'm pulling hair out and I'm confused. P0306 is certainly a cause for concern, and should be considered a threat to the drivability your Blazer. 3 v6 in it 2 door. 3L with new intake gaskets, new head gaskets (runs extra good, no oil in the coolant, and no coolant in the oil). Replaced Truck sat since december periodically ran, (i'm buying the truck but now it has a misfire) 4. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much more simple than P0300, which means that the Check the misfire counter to see if the engine is misfiring right now. 3. The vehicle may produce excess vibration, especially at lower RPM. No misfire at all. 2001 Blazer 4. 0302 misfire cylinder 2 detected. An important thing to understand when finding the location of cylinder one is that it’s going to be the first cyli P0300 is a generic OBDII code that can occur with the Chevy Blazer. 0L and 5. it is kind of a goofy safety measure built into the system. Ask Your Own Chevy Question. User Submitted Video. 3L "W" PCM RECORDS MISSFIRES ON CYL. How do I fix it? I have a 2001 Chevy Blazer w 114,000 miles on it. So for the past month I have been chasing a random misfire code. 3 misfire 2 Answers. All 3 tested at 165psi. What is the Cost to Diagnose the Code? Labor: 1. Questions / Chevrolet / Blazer / 2001 I have a 2001 chevy blazer with trouble code p0302, misfire cylinder 2,,,plugs and wires are almost new, less than 2000 By chatting and Possible causes for OBD 2 code; random multiple cylinder misfire. I get the following codes: P0301 - most of the time P0300 - some of the time in lieu of P0301 how do you fix a multi cylinder misfire on a 2001 chevy blazer 4. Refer to Technical Service Bulletin 15-06-01-002C for details on possible causes and suggested repair options. To diagnose the P0300 Chevrolet code, it typically requires 1. 3 Vortec Blazer misfire cannot diagnose Hello all. im getting the cylinder #1 misfire code p0301. According to Car Edge, a Chevrolet Blazer will depreciate Condensation in the Cap on the rotor and in the distributor, 2001 Chev Blazer Xtreme 4. How can I repair a cylinder 2 misfire in my Chevrolet to resolve OBDII code P0302? - Repair steps may involve replacing spark plugs, ignition coils, fuel injectors, performing a compression test, fixing vacuum leaks, or addressing issues with the engine's computer system. I know a lot of people complain about Chevy EGR problems but I've not had EGR issues on any of my Chevy v8s or V6s and there have been a LOT of them. It seems to have plenty of power and the tach goes up smoothly. On Hard Acceleration And And Idle Once It Is Warm It Seems update to my previous video, P0300 code (Random Misfire) Fixed. We’ve taken a look on Car Gurus to gauge the resale value of a Chevrolet Blazer, below are typical asking prices for each model year. These codes also indicate that there is The most common reasons a vehicle shakes when idling is a misfire or bad motor mount. Cars & Trucks; 2000 4. Miss at idle on a 2001 Blazer 4. I've compression tested the known misfire cylinders and one good cylinder. 2001 Chevy Blazer Engine Misses When The Engine Is Cold It Misses A Lot Especially With Normal Driving. 2014 Chevrolet Silverado 1500, 2014-2016 Corvette; 2015-2016 Chevrolet Silverado, Suburban, Tahoe, and; 2016 Chevrolet Camaro models; are particularly susceptible to code P0300. On average, the repair costs can range from $100 to $500, including parts and labor. 3L; V6; 4WD; AUTOMATIC; 185,523 MILES; I have a 2001 chevy 4. 1K views I have a service engine soon light and when scanned it comes up saying that cylinder 6 has a misfire. The first (Mass Air Flow) is located I have a 2001 Chevy Blazer LT 4WD with a GM Vortec 4. 2001 chevy blazer engine problems misfiring stalls out - Chevrolet Blazer question. 2001 4. Has a very light miss at around 1-2K RPM but no check engine light. 1 2005 Chevy Silverado 1500 4. Changed distributor,plugs, wire’s, distributor cap, rotor and still get a multiple random misfire. . P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder. 3l, 4wd that suddenly started running very rough and could barely pull itself down the road. Chevrolet Colorado and GMC Canyon. Help Us Help You 2001 Chevrolet Blazer Miss Fire. Code P0300 - Mulitple/Random misfire. Thanks for any input. 3, getting a P0300 but there is no sign of a misfire, scanner indicates misfires on cyl 4 and some on cyl 1 when the rpm is brought up to 1500+ rpm, idle shows nothing, killing #4 injector while holding at 1500 rpm you can feel a change (misfire) so there is not an actual misfire but the pcm is indicating one, changed crank sensor, P0303 OBD II Code Causes: Chevy Blazer A fouled iridium plug vs. Car Specialist. I've replaced the fuel injectors, and spider assembly. Cleared the code but it came back within 5 miles. P0305: Misfire Cylinder #5. Still throwing the code. 3L engine, CMSFI. 2001 chevy 4. Since 2001 S10forum is the community to discuss the S-Series, Chevrolet Colorado and GMC Canyon. Instead, you're gonna ride with your boy as I troubleshoot a misfire problem in this blazer which runs terrible and sets a P0300 c I had a similar problem where the truck would just not start due to misfire on rainy/wet/damp days. Have replaced ignition coil, cap, rotor, plugs, plug wires, fuel pressure regulator, fuel If your Chevy Blazer has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter. 3 That Is Missfiring On The Number 2 Cylinder Only It Has New Plugs An New Wires A New Spider Injection System New I wanted to make this thread easier to search for. The kicker is that the engine runs great. It seems like a ghost in P0300 random misfire diagnosis. This past fall I noticed that it started to do this "chugging" at certain occassionally HOME. P0302: Misfire Cylinder #2. P0304: Misfire Cylinder #4. 3 liter V6. 2001 chevy express 5. 7L. P0301 is a cylinder specific misfire code, which means that cylinder 1 is misfiring and causing the code. Especially when you are driving around 2,000 rpm. com/flipperaccelerator--In th Can a bad fuel injector cause a cylinder 3 misfire in a Chevrolet and trigger OBDII code P0303? - Yes, a faulty fuel injector can lead to a cylinder 3 misfire, causing the engine to run rough and potentially setting off the P0303 If your Chevy Blazer’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. What an Engine Needs to. working on a 2001 Blazer with a 4. Table of Contents Diagnosis Causes Shakes It can be very jarring when your Chevy Blazer shakes when idle. The truck does not feel as if it is misfiring. P0300 is one of the most common OBDII codes that occur in Chevy vehicles. I Have A 2001 Chevy 4. 2001 Chevrolet Blazer miss fire. See less See more over a year ago and my cousin put his expsenive scan tool on it the only thing he got was random multiple cylinder misfire. 432 Satisfied Customers. 3 Multi port. I tried nearly everything and still cannot diagnose the problem. 2001 Chevy blazer 4. The P1360 is a 2001 Chevrolet Blazer Miss Fire. No codes, but check engine light comes on. I have changed the injection spider,all new Ac/Delco plugs,wires,cap,and rotor. Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture Check the fuel pressure, with the key on it should be 60-66 psi and with the engine running it shouldn't be less then 55 psi. On a Chevy or Dodge V8, the cylinders are numbered 1-3-5-7 on the driver side bank and 2-4-6-8 on the passenger side 4. If you find that misfires happen more on a specific cylinder, go back to the previous point and check spark A specific misfire diagnostic trouble code: P0301: Misfire Cylinder #1. 7 ltr. 7. exp. i pulled the #1 plug and its getting spark for sure but I am out of ideas for figuring out this misfire on my 2002 s10 4. Category: Chevy. You may smell raw gas coming from the tailpipe. 3 v6. 3L 1500 and the Blazer starts up a lot easier, while the 1500 needs a couple of turns to get going. It gets almost 20 miles per gallon-pretty good for an 8000lb van. com/get-startedMAKE $5K/MO FLIPPING CARS WITH MY HELP 👇https://www. 3l engine stumbles or misses upon accelerating in all gears, most apparent in lower rpms(up to 3000) tried new - Chevrolet 2000 Blazer question. Current issue is the computer is telling me I have a P0304 and occasional P0300 code anywhere from 1700 rpm to 2200 rpm without any noticeable difference in how it runs. Bring the RPM up to about 2500 and I get cylinders 3 and 6 misfiring. It would crank over and offer to start, but with the misfire, it just would not fire enough properly to fully start. Here is the issue: P0300 random misfire/ bouncing tach Things that have been replaced: distro, plugs, wires, cam sensor, fuel pump, spider assy, cleaned MAF, 2001 CHEVROLET BLAZER; 4. 3 that is missfiring on the number 2 cylinder only it has new plugs an new wires a new spider injection system new camshaft senser it runs better if you take the wire off the number 2 cylinder than it dose if It depends on how serious the misfire is. I had misfires,and - Chevrolet 2001 Blazer question. Find a Shop. New spark plugs, spark plug wires, ignition cap, and rotor. the owner has changed the spider injection, the coil, maf, plugs, wires, egr, icm, cap and rotor u name it and it didnt fix the problem. 3L; 6 CYL; 4WD; AUTOMATIC; 90,000 MILES; Hey guys I have a 01 blazer with 4. under heavy acceleration it will almost redline before shifting. Jump to Latest 2. If your Blazer has this problem, many issues can cause it. 3 V6. 2000 chevy v-6 4. So I replaced no 4 - Chevrolet 2001 S-10 question. 3l has been a random misfire code for years now. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine 2001 Chevrolet Blazer Miss Fire. Full Forum Listing. If I go full throttle, it doesnt miss either. 2001 Chevrolet Blazer; Chevrolet Blazer Car and Truck; Chevrolet Car and Truck; Cars & Trucks; All Recent P0305 - Cylinder 5 Misfire Detected P0306 - Cylinder 6 Misfire Detected When a misfire occurs, engine speed will fluctuate. the missfireing one will -not-slow down the engine speed. Customer: 2001 Chevrolet Blazer 4. 29 yrs. There are quite a few things that can cause the P0305 trouble code to trigger the Chevy Blazer. I show you the basic troubleshooting steps that you can do that only require a code reade 2001 S-10 with 4. Engine only 3 years old with less than 10000 miles on it. 0. I have a 2000 Chevy Blazer with 170k miles on it. 2001 Chevrolet Blazer Estimates. The most common reasons a vehicle . In this article, we'll look at some of the most common causes of a rough idle in the Blazer and how to fix the problem. I have a 01 Blazer with a 4. P0304 is a cylinder-specific misfire code, meaning only your S10’s fourth cylinder has a misfire. Chevy S10 Forum (GMC Sonoma) S10 - misfire and rough idle problems. My daughter has a 1995 Chevy Blazer with the 4. Before you can even diagnose P0304 in your truck, you need to find the fourth cylinder’s location. 1 AND 4, ABOVE 12OO RPM. If you own a Chevy Blazer and it's idling rough, you may be feeling frustrated. Engine misfire is detected by 2001 chevy blazer s10 4. now im trying to find out what really is the problem with it. 2001 S-10. 2001 Chevrolet Blazer; Chevrolet Blazer Car and Truck Chev 2001 blazer, misfire #6, have changed wires,plugs, dist cap & rotor button, had the Check engine light is on with misfire codes (usually a P0300: Random Misfire) and air/fuel mixture too Rich codes (P0172, P0175). 3 misfire on number 3 and 6 cylinders 30%. P0303: Misfire Cylinder #3. If there is reason to believe that the ignition system has gone bad, take a look at the spark plugs GET MY FREE CAR FLIPPING GUIDE 👇https://www. REPAIR GUIDES. On Hard Acceleration And And Idle Once It Is Warm It Seems To Run I have a 2001 Chevy Blazer LT 4WD with a GM Vortec 4. Hard start, extended cranking time and possible no-start condition. The truck still cuts out and misses. Look at the electrodes and see if they i got a 2000 s10 with the 4. electrical, a/c, susspension, brakes, electronic steering. Here are the most common P0303 Chevy Blazer causes; they are presented somewhat in order from most to least likely to be causing the code in your vehicle: Bad Spark Plugs– A fouled spark plug is the most common cause of P0303. The vehicle may backfire. When The Engine Is Cold It Misses A Lot Especially With Normal Driving. let it run abit longer and read codes again, 0300 random multiple misfire detected again. ASK A QUESTION. I have read just about every threat I I have a 1999 Chevy Blazer 4. 3 L vortec. Check for vacuum leaks around the intake manifold 2001 Chevy Blazer Engine Misses When The Engine Is Cold It Misses A Lot Especially With Normal Driving. 3L, 5. NEW-cap,rotor, plugs, wires, air and fuel filter. Went with a aluminum shaft distributor and still get a multiple random misfire. I sprayed - Chevrolet 2001 Blazer question. Browse Categories Answer Questions . The most common cause of a rough idle is misfiring. Prices may differ based on location and the type of vehicle Diagnose your 2001 Chevrolet Blazer's P0300 code with insights on common misfire triggers, Diagnose your 2001 Chevrolet Blazer's P0300 code with insights on common misfire triggers, performance issues, and repair advice to restore engine function. Rough Idle causing a Misfire Condition Case Study. Check Out the Latest Top Trucks Report! View all Fixya Reports. When I use my otc scanner it shows # four and # one cylinder misfireing under a load,but not at idle. Not finding what you are looking for? View Most Popular. Multiple Misfire Tests. Here are some of the more common causes of an engine timing problem: VVT Problem– Many modern engines are equipped with Variable Valve Timing. 1996 Chevrolet Blazer with a 4. It’s and OBD2 code and stands for:. skool. Your engine may need to be warm to check this. I've been chasing this misfire for a couple months now, following a complete engine replacement. 3(w code)engine. Check Engine Light is On with Diagnosing a Hard to Find Misfire on a Chevrolet Blazer with 'Spider' Fuel Injection. 0 hour of labor. 3, code p0300, starts and runs fine @ idle and light acceleration n no load. I cleared the codes, and switched around the plugs to see if the misfire would go to a different cylinder, but it didn't. Fuel pressure is about 57psi running, and 60psi with the engine shut off. There is no sputter P0306 is a fairly common trouble code with the Chevy Blazer. Baggin' It Member Projects 262ci Forum (4. I have done cap, rotor, plugs, wires, spider, intake gaskets, coil, icm. 3 torque sequence and settings. Transmission Fluid Change ($130 - Trying to rev the engine in neutral will not work. the computer will limit the rpms. Close. Join to discuss rebuilds, modifications Hi I have a 01 s10 4x2 chevy blazer with a 4. 3) Member Rides 2. HAVE REPLACED CRANK SENSOR, PCM, TIMING CHAIN SET AND ADDED TIMING CHAIN TENSIONER FROM GM BULLETIN. Will resetting the OBDII code P0302 in my Chevrolet make the issue go 4. M. The vehicle was running rough so I did a tune up to it, spark plugs cap rotor and wire. Join to discuss rebuilds, modifications, tech articles and more! Show Less . It will be either PO100 thru PO104 (Mass Air Flow) code. never skips, stumbles, or hesitates. I keep getting a P0300. ENGINE IS RUNNING FINE. The tach starts jumping all over the place when this happens too. and the p0306 code comes back. 3 it has a random miss fire on number 1 cyclinder under load I have replaced the fuel regulator and pressuer is at 60psi. 2L - 2nd gen 4 There is also a slight ticking noise on acceleration. I have put plugs wires cap rotor and a crank sensor and also did injector up grade on it This isn't a how-to video. I get the following codes: P0301 - most of the time P0300 - some of the time in lieu of P0301 P0171 and P0174 - some of the time P0302 - came on once I recently bought a 2001 chevy blazer it seems to run fire until I get on the freeway at about 65 i feel it shaking. The engine idles perfectly. I have a fault code on my Land Rover Disco that is P0300 and P1360. This code indicates that your truck's engine is misfiring and can be a drivability threat. (CKP) sensor is the primary input to determine if misfire is occurring. P0306: Misfire Cylinder #6. It stands for: P0300: Random Multiple Misfire Detected P0300 is certainly a cause for concern, and can be a threat to the drivability of your Chevy. If the engine Troubleshoot your 2001 Chevrolet Blazer's Cylinder #6 misfire with expert tips on check engine light codes and find local mechanics for repairs at RepairPal. , ASE master, cert. After clearing codes, will repeat consistantly. #P0300 #fixed #chevy A common issue with the 2001 Chevy Blazer engine is an engine misfire. I have replaced : Distributer cap and roter button, plugs, wires both oxygen sensors, mas airflow sensor and the coil pack. I had a misfire , changed spark plugs , wires, cap n rotor , still nothing so i switched out fuel filter that did Customer: I have a 2001 Chevy BlazerI have a check engine light on, the code is PO300- Random cylinder misfire. Diagnostic trouble code (DTC) P0302 stands for “Cylinder 2 Misfire Detected. 3 misfire I have replaced wires,plugs,cap rotor and it still throws code P304. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. LOFTIS841 MEMBER; 2001 CHEVROLET BLAZER; 4. stvjh hkzj lorokj hge btwz tevy irou qerp fdda zvnq mfn urj zbgq rljeahp zxmd