Passat (B5) :: Multiple Misfire On Cylinders 2 And 4
Jan 27, 2012
I have 2000 b5 passat with 150k on it. I've had the problem of a multiple misfire on cylinders 2 and 4. The last time it happened was about a month ago do I brought it to a vw dealership and had one of their mechanics and they told me I had a valve cover gasket leak and it was causing my coil pack to short out so they replaced my coil pack, plugs, and wires. They wanted way too much for the valve cover gasket leak so I decided to wait till I more money. The car ran great for a month or so then the misfires started happening again.
I made an appointment to get my valve covers replaced a they're getting replaced right this minute but the misfires are coming and going. One day the car runs great and the next day it's misfiring like crazy an shuddering bad. It only seems to happen when it rains or is wet outside.
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2007 Passat 2.0T ... I just purchased this vehicle and after about two weeks of driving it has gone bananas. I found a ton of oil in the spark plug holes, and installed a new valve cover gasket...It no longer leaks. I am getting P0171, P0507 codes and multiple misfire codes from all cylinders...
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I have a 2001 1.8T Passat. I bought it used recently and have had tons of problems. I have been getting a lean air code for some time now and I think I recently resolved that. I had to replace a few vacuum lines, MAF, exhaust flex pipe (it was broken), fuel filter and fuel pressure regulator. The car was still running bad and throwing a lean air code (Bank 1) so I finally changed the O2 sensor and I think that did the trick. Now every time I start the car I get misfires until is warms up. I get misfires on all cylinders along with the multiple misfire code.
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Random multiple cylinder misfire according to auto scanner report on a 2002 Passat 1.8L? I have recently changed all belts including the timing toothed belt. I have had this very same problem prior to changing all belts on this car. Mileage is 111,000 ....
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How it all got started: [URL] .... Replaced Check Valve (06A 133 528 D/A) today, car is still idling rough, flashing CEL but it's solid/no CEL when the car is moving.
What I have done so far:
1. Replaced Turbo Inlet Pipe (Cracked at one corner)
2. Replaced D.V. (Original was fine)
4. Did Smoke Test, No Vacuum Leak
3. Replace Check Valve (06A 133 528 D/A) Above The Intake Manifold
4. Cleaned Throttle Body and All Pipes under Intake Manifold
Codes keep reappearing:
17705 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)
P1297 - 001 - Upper Limit Exceeded
And All Cylinders Misfire
Car idles fine when I squeeze this hose marked in green : [URL] ....
Something I noticed before and I think it's still doing it, there is weird noise every time I shift to reverse or drive, It sounds like when you just open drivers door.
Here's the link to the sound clip [URL] .....
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I went and looked at an 03 Passat 1.8T with 114k miles. I like the car and the price but the CEL is on, returning random misfire on each cylinder with a standard (non VW) scanner. There are no other codes. The car runs beautifully until it idles low with the car stopped or stopping; then you can feel it missing.
The coil packs and controller arms were recently replaced. The timing belt was replaced at 100k. The spark plugs and wires have not been replaced. I don't know whether the coil packs are stock or not, should I ask? The code can be cleared but then it comes back (I'm not sure how long it takes; I could ask).
I've collected this list of possible things to check, based on this useful previous post:
1. Oil overfill.
2. Downstream O2 sensor.
3. Spark plugs and cables.
4. Cam Shaft Adjuster? (maybe? there is no cam shaft code?)
5. Plugged fuel injectors?
6. Plugged catalytic converter.
7. Cam timing?
8. Induction cleaning?
Is this a good list? Are there possible troubleshooting steps not included here? Are some of these superfluous in my situation?
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The Problem: Multiple Cylinder Random Misfire, Misfire on Cyl 2 and Cyl 3 codes. Runs fine on highway after first start in the am. Begins to misfire badly/throw code within 1 mile after exiting highway driving and starting "stop and go" city driving
The Car: 1999 VW Passat 1.8t "AEB" engine code
192,xxx miles. Greedspeed/Neuspeed ECU. All else is stock
****ICM module replaced less than 1000 miles ago due to misfire/similar problem. All was fine until now*****
Compression tested (cyl 1-4): 155lbs, 150lbs, 145lbs, 155lbs
Repairs/troubleshooting tried already:
Swapped cyl 2 and 3 coils for cyl 1 and 4. Result: problem remains / same error codes (cyl 2 and 3 misfire / random misfire)
Swapped cyl 2 and 3 injectors for cyl 1 and 4. Result: no change, problem remains
Tech is suggesting fuel system cleaning (to eliminate any carbon deposits in cylinders and clean injectors). Then look at replacing injectors if problem persists. Could I have another bad ICM?
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What is going on with my sisters passat 2002 V6 GLX Auto 4Motion. Here is the codes:
16730-Camshaft Position Sensor (G163) Implausible Signal
P0346-35-00
16684-Random/Multiple Cylinder Misfire Detected
P0300-35-00
16688-Cylinder 4: Misfire Detected
P0304-35-00
16690- Cylinder 6: Misfire Detected
P0306-35-00
16689-Cylinder 5: Misfire Detected
P0305-35-00
I changed Both sensors and it still same problem. Car only has 40,000 miles didnt change timing belt.
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my car was running fine yesterday. Today the check engine light came on and it started to run funny.. I checked the diagnostic code and it says the the cylinder is misfiring and that oxsygun sensor is malfunctioning. (Random/Multiple Cylinder Misfire Detected)
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I have a '06 Passat 3.6. I had the intake and valve cover off the other day and when I put it back together it started missing bad. The code it is throwing is a P0300/ random/multiple engine cylinder misfire. What is wrong?
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So i got a 98 passat sedan used and was told it read a p0411 code. The person at autozone told him it was a cam sensor. The sensor was replaced. I know now from the manual that codes reads for sec. Air injection system , incorrect flow. It could be the vacuum lines. Now lets say it is the vacuum lines. Their is a misfire on cylinders 1-3.
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I was driving along and the engine started missing really bad. The whole car was bouncing around. At first I thought I had a flat, but when I stopped I noticed it was the engine. I checked the error codes and got 16684 and 16686 --- Random/Multiple Cylinder Misfire.
I had a problem recently with the vacuum hose broken and was causing an error code. Replace the hoses and it has been fine. Checked to make sure that the hoses were secure and they are fine. Doesn't seem to me to be related. So many problems for a car with 57,500 miles
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I am getting the dreaded emission workshop.
The codes i am getting are p0301-p0304 and p0171
Which are misfire on 4 cylinders and system to lean (bank 1).
Here is what I have done:
Got the 4 ignition coils replace, replaced the mass air flow, replaced the air filter, replace the plugs.
I just check the L wire and it doesn't have any cracks or holes
I don't know what to do next.
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I am having a problem with my 2006 Saab 9-3 Aero Combi Wagon w/130k miles. When idling, driving up hills, and accelerating to pass, the engine seems to miss multiple cylinders. I've had all spark plugs replaced within the last year, and all the cylinder coils were checked after bringing the car in for this problem (one was replaced). I took the car in yesterday to address this problem and the mechanic stated that he didn't know what to do. The check engine light is on, and the mechanic told me that the readout states that their might have been a problem with the gas cap, but they checked it out and it looked sound. Could this be a fuel pressure problem? spark plug wires?
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So my 2008 accent is my daily driver. I'm nearing the 300,000 mile mark but the last 100,000 miles have been plagued with random multiple misfires. I have changed the cables, crankshaft sensor, plugs, and I've been through numerous costly coils (I keep 4 with me). All listed parts were most recently changed at the same time. Why do I misfire on nearly every commute and get stuck operating on 3 cylinders?
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I'm getting Codes: P0300-306 (Misfires) and P0356.
I have researched the definitions of these codes and see that P0356 indicates an ignition coil failure on coil "F" (which would be Cylinder 6?)... but how is it possible only one coil is failing but I'm getting multiple/random misfires on all cylinders?
I've looked at the wiring diagrams and the only place that I can see a "single point failure" that can cause such a thing, would be the ECM itself...
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I have a mk4 1.8t Gti. Recently I have been having issues with idle and boost. I read the codes and multiple random misfires in all 4 cylinders came up, idle control and the crank, knock, and o2 sensor came up. Shows that system is running to lean as well. I changed the spark plugs and wires, check the coil packs they where done about 1k miles so I expect them to be perfectly fine. When I clear the codes it idles below 9-8k rpms. I also noticed the breather hose coming out of the valve cover into the EGT has a hole melted into it, could this cause any of my issues?
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I have a 2003 ford ranger edge with the 3.0l engine. It started acting up today so i brought it to get checked because the check engine light came on. Three codes where pulled p0300, p0306, and p0313. They were multiple/random cylinders misfiring, cylinder 6 misfire, and first misfire at 1000 rpm. I have replaced the plugs and coil and still have the trouble.
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I have a 2012 F250, 6.2L, Crew Cab, FX4 with a little over 77,000 miles on it. I bought it used from a Ford dealership last summer. Prior to now, I've only had one issue with it and that was squirrel/rodent induced. Something chewed through the wiring harness right before the connection to the #7 cylinder. There was enough left over wire to solder it back together and put heat shrink around each wire.
It ran fine up until last weekend. The wife and I went to a store, she was driving and parked like a total jerk right in the front area of the parking lot. When we got back in the truck, she started it up and it was just running rough with hardly any power. My first thought was someone dumped something into the gas due to her amazing parking, but there were no smells or residue of anything near the gas cap when we got home only a couple miles away.
When I got home I ran my code scanner and found 300, 301, 305, 307, and 308. I dumped a bottle of ISO-Heet in it, let it sit for a bit then cranked her up and ran it for a few miles to the gas station and filled up...about 25/26 gallons, I don't remember...I was a little above 1/4 tank when this all started. No change in performance and the codes were all still the same. I pulled the MAF, it looked clean, but I wiped it down anyways and threw it back in. No change. I then changed all the plugs. This took care of 301 and 305 but 300, 307, and 308 were still coming up. I then picked up two new coil packs for cylinders 7 and 8, threw them on and still no change.
I sat with it running on a flat surface for a little while revving the engine randomly for about 15 minutes, during this I noticed a fast tapping noise at about 3400 RPM, it went away quickly with no changes in the gauges on the dash. I cant really tell where it's coming from, but kinda sounds like its under the middle of the truck. While sitting there I ran the codes again, and now its back to 300, 301, 307, and 308. I'm now at a loss of what to even look at...
I've also checked the voltage coming off the harness at the connector to the coil packs...just under 11 volts. I've searched all over for what that voltage is supposed to be, but have failed miserably in my searches.
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So, unfortunately, when I go to start it, it dies shortly after. So I scanned it and I'm pulling up a couple codes, actually quite a few. I'm currently at work and can't look them all up.
U102f
p0011
p052a
p0300
p0303
p0506
p0011
Most of them are misfires, but what are the chances that I've got a misfire in all four of my cylinders? Bad coil packs all go at once? I was told it could potentially be a boost leak?
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My car has been really acting up lately (AGAIN) so I took it in to have it looked at and they came back and told me it had multiple cylinder misfire, and they wanted like $1200 to fix it. What in the world does that mean and what is entailed in fixing it? They mentioned doing a full maintenance on it.
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