Question about 2002 Saturn Sl

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Miss fire cyclinder 1

Changed coil pack wire and spark plug check injectors

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I had it on one of my 9 saturn it turned out to be a bad intake gasket

Posted on Apr 22, 2015

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  • Saturn Master
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How many miles on it ? I recommend doing a compression test on that cylinder if you haven't already done it ! Before you replaced all those parts did you check for spark ? Could have saved the expense ! You could have a burnt valve ! What did the spark plug look like ? The end that goes in the engine ! You can tell a lot by the look of the spark plug , was it wet looking , fuel fouled Black ,carbon fouled , nice tan color , what ? How to Read Your Spark Plugs Davison Automotive

Posted on Apr 08, 2015

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1 Answer

2000 honda passport got 3 cyclinders firing and 3 not


Check for power at the injector plugs. The injectors are on one power source. No power, broken wire. If you have coil on plugs, do the same. If you have a coil pack, check for spark on the bad side. No spark, replace the coil pack.

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Coil pack plugs diagram ignition


Make sure computer was cleared from old error. Check or replace #2 fuel injector. Spark plug wires can be replaced individually, you might want to replace #2 wire.

Dec 30, 2013 | 2002 Lincoln LS

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My husband did a tune up on my car yesterday and now it wont start it will turn over like it wants to start but it wont he said that its miss firing we have bought 3 new coil packs and still will not start...


If your car is miss firing and your husband changed the coil packs,the wires leading from coil packs to sparkplugs must have got crossed.This will change car timing which will result in the car miss firing.He needs to go over wiring and correct problem for car to run right.You can go online to autozone.com and type in Info about car to get the correct wiring layout.Your problem isnt the new plugs n wires.Its the wiring layout.

Feb 09, 2011 | Pontiac Grand Am Cars & Trucks

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The code is # 1 cylinder miss fire. i replaced plugs and wirers still running bad but no code yet


check for spark at the coil, if its weak, or no spark, replace the coil pack.

Dec 03, 2010 | 2001 Ford Windstar

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I have an 2002 buick century that has a iginition miss. We have changed the spark plugs, iginition wires, coil pack. It first came back with a miss fire number 2 cyclinder. The coil pack was changed. Now...


double check plug wires to be sure they go to the right cylinders. After that i would check fuel injectors
You need a listening device and listen for metallic clicking sound. Bad injectors will be silent and they do cause the same miss

Apr 21, 2010 | 1997 Buick LeSabre

1 Answer

Miss fire cylinder 1 & 6 on a 4 liter enginge


Did the engine light go on, and you got a miss-fire code? If so, 1st check spark plugs (which u did), then plug wires, if that's not it, the injectors would be next. Let me know how u make out
Curt

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Yes, I change the injector and spark plug. I also switch the injector and spark plug. Still show the Cyclinder #2 Mis-Fire. What does the Ignition Control Modual do to a car if going bad?


that car has a coil on plug set up change the coils over and see if the fault moves,i have never changed an injector .its nearly always the coil pack

Feb 26, 2009 | 2005 Audi A4

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