2006 Volvo S40 "ecu cause misfire" Questions

Question about Volvo S40

Engine management light coming on intermitantly

ECU to get to a starting point. there are several issues which may cause this problem. to list just a couple, engine misfire, poor seal at fuel cap, small vacuum leak, dirty or weak injector, possable

Question about Volvo S40

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"I have a 2006 Nissan Pathfinder 4.0 V6... Had ECU replaced . Now is throwing a random misfire code P300... what are these code and can one cause the other? Help!"

ECU replaced . Now is throwing a random misfire code P300... what are these code and can one cause the other? Help!" code p300 refers to random/multiple misfires--misfire detected==causes--spark plugs

Question about Volvo S40

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Misfire in cylinder 3

...cause the misfire besides the wiring from the ecu and the ecu itself. NO to the MAF Sensor Question, and Spark Plug Wires Or BOOT Will Cause Missfire. As For Mass Air Flow Sensor Easy Check is to ...

Question about Volvo S40

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Have codes indicating bank 2 running lean(po174,po153,po159) also have codes for misfires on all cylinders. Does the misfire trigger o2 codes or does bad o2 sensor cause misfires?

...cause o2 codes. o2 sensors are measuring the oxygen in the exhaust - if you're sending unburnt fuel through there (like a misfire), it would throw the value way off. if you're getting a 'lean' error, ...

Question about Volvo S40

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ECU relearn ford focus

...misfire, I have been told that the ECU needs to be replaced but I know the battery was disconnected for a week could the ECU have lost is values and is there a way to relearn them TY call dealer ...

Question about Volvo S40

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If the transmission in a 1998 Toyota Camry is failingwill that cause the motor to misfire

...to misfire Generally no, it will not. A failing trans will cause bad shifting, hard shifting, slippage in gear, but not misfiring. Get a readout from your ECU to see if any trouble codes are

Question about Cars & Trucks

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Corolla misfires when cold in one cylinder

...misfire, the ecu doesn't know or see what is causing it, just that it is occurring.. Now you have to determine if it is gas related, or spark related, or a loss of compression in the cylinder. ...

Question about Volvo S40

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My c180 2005 model had wouble engine noise when i started the engine to have it parked in the garage. Engine light was on. I drove it within 5metres into the garage. I towed it o mercedes and they d

and the coil packs. If they are good then the misfire could be caused by the Mercedes ecu computer. If you are not sure go to http://www.mercedesecm.com for more information about ecu misfire problems

Question about Volvo S40

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Miss fire only when cold and under load. no fault

miss fire only when cold and under load. no fault codes logged in ecu On 2.5L and 3.0L X-Types in the vin range C00294 to C91735 there was software issue on the engine ECU which caused ...

Question about Volvo S40

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Cylinder misfire

...ECU computes Velocity of each power stroke and Reports the weak. even an air leak to #1 intake runner can cause this or the injector #1 base gasket leaking. Air. but it is not fibbing it is weak. ...