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My Mercedes ML320 cannot pickup speed. Very slowly it ...

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· Code says valve 3 and 5 random misfire. ... Mass air flow sensor changed. Changed fuel pump. ... i am workin on a 99 ml320. multiple cylinders are misfiring after putting new o2 sensors in. this thing misfires so bad it shakes. started out reading that only cylinder 3 was misfiring, ...

Random loss of power MercedesBenz Forum

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· P0300 Random Misfire P0303 Cyl 3 Misfire P0100 Mass of Volume Air Flow Circuit P0303 Cyl 3 Misfire P0170 Fuel Trim (bank 1) P0173 Fuel Trim (bank 2) It seems to me the no brainer first thing to do is replace the Mass Air Flow Sensor. Am I correct in this thinking or is there something else I should be looking at? Thanks in advance.

Can A Dirty Mass Air Flow Sensor Cause Misfire? | Palumbo ...

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· Can you clean a mass air flow sensor? We recommend that you clean your MAF sensor every time you change your air filter. It is easy to do, you will need to spray 10 to 15 spurts of the mass air flower cleaner onto the wire or plate. Be sure NOT to scrub the parts; you may break the wire or damage the plate.

I have a MB 1999 ml320,i have random misfire codes on 4,5 ...

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· I have a MB 1999 ml320,i have random misfire codes on 4,5,6 cylinders on 2rpm,idling is started on 4th cylinder because of a broken ignition wire,i replaced the set of ignition wires and spark fine then I keep getting random misfires and 4,5,6 swapped the coils with 1,2,3 but I ... replaced mass air flow sensor, ...

2 cylinder misfire + air flow sensor circuit malfunction ...

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· And it added P0100 (Mass Air Flow or Volume Air Flow Sensor Circuit) into the mix as well. The misfiring characteristic has changed after they did their thing it''s more consistent when the engine''s cold and almost nonexistent after getting fully err, warm (15ish minutes of driving), though I have yet to test motorway uphill driving.

1996 Chevy 1500 Random Cylinder Misfire and Mass Air ...

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1996 Chevy 1500 Random Cylinder Misfire and Mass Air Flow Sensor failure. Help Please I have a 1996 Chevy 1500 Pickup and all of a sudden in the middle of nowhere while I was idling I started getting multiple misfires and the engine was running very rough.

P0300 Code: Random or Multiple Cylinder Misfire Detected ...

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· Code P0300 stands for “Random or Multiple Cylinder Misfire Detected.” ... Spark Plug Distributor Fuel Pump Fuel Injector Mass Air Flow Sensor Intake Manifold Gasket. Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic.

Trust ur ideas vs Stealerships...''01 ML320: CEL, Misfires ...

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· BB Random cylinder misfire detected Explanation BB Lean Air/Fuel Ratio Probable Cause ... 1999 ML320 2000 E320 ... as per your hunch, whether your Mass Air Flow sensor is broken by swapping (not buying at this stage) one known to work with yours to see if that makes a difference. If it does, ...

ML 320 misfire problems! PeachParts MercedesBenz Forum

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· ML 320 misfire problems! I have a ML320 2000 with 165K miles. Code reader shows P0303, misfire in cylinder 3. After visiting a Mercedes Benz dealership, they told me I needed a new fuel pump, MAF, ignition coils and spark plugs with new wires! I declined the service because of the cost and the dealer''s uncertainty that this would fix the problem.

Mercedes Benz ML320 Check Engine Light On Problems

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· 3 Check Engine Light On problem of the 2000 Mercedes Benz ML320. Failure Date: 07/08/2006. : the contact stated the check engine light illuminated while driving. The vehicle was taken to the dealer where it was determined by diagnostic testing the air mass sensor needed to be replaced. The contact also owns an e320 which had the same failure ...

How to diagnose a Misfire with Drivability Issue Mass ...

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· Diagnosis of Random Misfire with Drivability Concern due to dirty or contaminated Mass Air Flow Sensor on a 2005 Subaru Impreza WRX (codes P0300 P0101 logg...

MAF sensor causing random misfires? : MechanicAdvice

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MAF sensor causing random misfires? Solved. Close. 6. Posted by 7 years ago. Archived. MAF sensor causing random misfires? Solved ...

Random loss of power | MercedesBenz Forum

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· P0300 Random Misfire P0303 Cyl 3 Misfire P0100 Mass of Volume Air Flow Circuit P0303 Cyl 3 Misfire P0170 Fuel Trim (bank 1) P0173 Fuel Trim (bank 2) It seems to me the no brainer first thing to do is replace the Mass Air Flow Sensor. Am I correct in this thinking or is there something else I should be looking at? Thanks in advance.

Can a bad mass air flow sensor cause an engine to misfire ...

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Answer (1 of 8): I could be, but I wouldn’t suspect it. It could be that the MAF registers way too little air mass, causing the engine to inject little fuel, resulting in a overly lean mixture. This lean mixture could misfire. Alternatively, it could register way to much air mass, causing too muc...

My Mercedes ML320 cannot pickup speed. Very slowly it ...

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Code says valve 3 and 5 random misfire. ... Mass air flow sensor changed. Changed fuel pump. ... i am workin on a 99 ml320. multiple cylinders are misfiring after putting new o2 sensors in. this thing misfires so bad it shakes. started out reading that only cylinder 3 …

Most Common Causes of Intermittent Misfire Codes ...

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· The misfire detection is enabled after certain base information is received by the PCM. Typically, the engine coolant temperature, cylinder head temperature, intake air temperature and, if equipped, the mass air flow sensor (or a combination of these) are used to evaluate the condition as well as the crank and cam positions.

MAF and misfires | MercedesBenz Forum

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· 2000 ML320. Joined Dec 7, 2007. ·. 159 Posts. 2 · Jan 12, 2009. I would replace the maf now. I had a similar issue with the wifes ML320 and it cleared all of the misfires except for a cylinder 6 misfire that turned out to be a coil. I picked up from german star just the insert it was fairly reasonable price wise.

2009 Mercedes ML320 Bluetec diesel; have fault code P2031 ...

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2009 Mercedes ML320 Bluetec diesel; ... Mass air flow sensor may be faulty Incorrect PCV hose connection ... P0300 Random/Multiple Cylinder Misfire Detected P0301 Cylinder 1 Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected

I have a MB 1999 ml320,i have random misfire codes on 4,5 ...

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I have a MB 1999 ml320,i have random misfire codes on 4,5,6 cylinders on 2rpm,idling is started on 4th cylinder because of a broken ignition wire,i replaced the set of ignition wires and spark fine then I keep getting random misfires and 4,5,6 swapped the coils with 1,2,3 but I ... replaced mass air flow sensor, ...

P0300 Random Misfire Diagnosis AxleAddict

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A random misfire can be hard to diagnose. Photo in the Public Domain. A "P0300—Random Misfire" code can make your life miserable. Codes can go from one cylinder to another without a clear pattern. And they may appear for one or more different reasons: Bad knock sensor. Bad spark plugs. Faulty ignition coil or pack.

2001 mbenz ml320, trouble code p0300 multiple misfire Fixya

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(Bank one Sensor one). This is commonly located along the exhaust pipe. It could also be a bad Mass Air Flow sensor or a bad Engine Coolant Temperature sensor. Diagnostic checks will be needed to be carried out to be verified though; Well as for the other codes, it means 34 cylinders are misfiring.

Ml320 Rough Start Dies at Idle | MercedesBenz Forum

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· P0300 Random Misfire P0303 Cylinder 3 Misfire P0302 Cylinder 2 Misfire P0301 Cylinder 1 Misfire P0110 Intake air Temp Sensor 1 circuit P0130 O2 Circuit I find it a little odd that before the repairs the misfires were truly random, after the spark plug change the misfires are all on the same side. Any help is really appreciated.

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