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My check engine light is on on my 2007 SRX it registers as a misfire on cylinder 4, what do I do?

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Misfire can be a lot of things I'll start wit the easiest, Check the plug wire for arch, check the

Distributor cap for a crack.

Posted on May 02, 2017

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Check the fuel injector for proper operation, check for spark and if these are ok then pull the plugs and run a compression test on the engine, no cylinder should be a lower reading than 5% of the highest cylinder pressure reading you have.

Posted on May 02, 2017

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2007 cadillac cts engine cylinder misfire


Error code p0300 indicates rough idle and p0305 indicates engine misfire in cylinder 5. Check for faulty spark plug and its wiring. Also check for ignition coil and distributor. Replacing spark plug and its wiring may resolve the issue.

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Cylinder 4 misfire check engine light


sounds like they have done a good job, save up your money, wont be cheap most likely

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2007 rav 4 check engine , vsc, 4wd dash lights all came on at once?


This happened to me last year. Coil 6 went bad, but since I drove it for a while like that, it was causing other cylinders to misfire. When I had it scanned, it said all 6 had misfired. I would have your CEL reset and once you have the next misfire, immediately get the code off the car. This should help pinpoint which coil went bad. Odds are, coil 4 or 6 is the culprit, those fail the most due to excessive heat from the radiator.

Jun 12, 2012 | 2007 Toyota RAV4

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Missfiring detected in OLDSMOBILE intrigue 2002 3.5L


For engine misfiring problem check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- Engine misses and truck jumps? Hard to down shift? Issue with high gear only? http://technoanswers.blogspot.in/2012/02/engine-miss-and-truck-jumps-hard-to.html

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Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Engine Misfire codes for car?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html
Engine Misfire codes?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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This will help.

Thanks.

Jan 30, 2012 | 2002 Oldsmobile Intrigue

1 Answer

Vehicle missing,shaking,engine light comes on


Misfire could be a number of things:
a) spark plugs - change them if used over 15K miles - inspect/regap.
b) spark plug wires - change them if over 15K miles - inspect
c) ECM (electronic control module) - test with HEI (high energy ignition) tester.

The shaking tells me that the engine is running on less than its normal compliment of cylinders - the shaking is produced by the imbalance caused in the engine by one (or more) cylinder(s)
not firing at all.

The "Check Engine" light probably is coming on due the the misfire condition. Go to Pep Boys or
Advance Auto Pats, where they'll tell you (free) your codes causing the "Check Engine' light to be
lit - the code coming from your truck's computer will probably be one or more of:
P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel

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1 Answer

I stepped on the gas the car took off then immediatley slowed in power. The engine light came on and started blinking. I could drive the car, but only at slow speed. 2007 Mercury Milan V6. Any ideas


when the check engine light blinks this is a sign of misfires but your going to need a scanner to determine which cylinders misfired and clear fault memory i would then recommend swapping coils and plugs from cylinders that misfired with ones that didnt and see if misfires migrate to determine bad coils or plugs

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1 Answer

My 2005 Cadillac SRX has developed a rattling noise underneath and is now "missing" when it drives. Check engine light just came on but it is due for an oil change.


Check Lights are OBD2 System Malfunctions,
that have been with us for 30 years,nothing to
do with oil.

You most likely have cylinder misfires, that need
to be diagnosed,or one of ten other possibles

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1 Answer

Engine skipping


well i had a 98 dodge neon that seems like it did the same and it said engine misfire and all i did was due a tune up change spark plugs and wires.

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