Cylinder 1 Misfire at Idle

Asked by Aug 09, 2012 at 07:41 AM about the 2007 Chevrolet Cobalt

Question type: Maintenance & Repair

Cylinder 1 is misfiring at idle.Have changed plug,coil and injector.This problen showed up after head removal and replacement.

4 Answers

71,775

Check the compression on that cylinder. If it's low, Could be a defective head gasket. Also, when you remove the spark plug, check it for wetness from coolant. Another sign of a defective head gasket. HTH. -Jim

3 of 3 people found this helpful.
155

http://www.autotap.com/techlibrary/diagnosing_misfires.asp link to website, gives you a few ideas to wut may be the cause, or perhaps jus take to a mechanic if you don't find any issues related.

1 of 1 people found this helpful.

I know its been a while, but i am having the same problem did u ever find an answer? thanks

535

i had that problem with my 2007 at 75,000 miles on the 4th cylinder take it to a gm dealer ship they will probably replace the engine mine was still under 100,000 miles and it was replaced at free of charge otherwise it would have be 5 grand. we had changed plugs and coils etc and it had had like 65,000 misfires and there was some thing wrong with the engine from manufacturing

2 of 2 people found this helpful.

Your Answer

Cobalt

Looking for a Used Cobalt in your area?

CarGurus has 3,563 nationwide Cobalt listings starting at $1,800.

ZIP:

Chevrolet Cobalt Experts

  • #1
    lightGear
    Reputation
    1,180
  • #2
    munron
    Reputation
    1,080
  • #3
    dandyoun
    Reputation
    970
View All

Related Models For Sale

Used Honda Civic
777 Great Deals out of 68,043 listings starting at $999
Used Chevrolet Malibu
1,157 Great Deals out of 67,694 listings starting at $880
Used Ford Focus
815 Great Deals out of 61,809 listings starting at $1,150
Used Chevrolet Impala
569 Great Deals out of 36,803 listings starting at $990
Used Toyota Corolla
970 Great Deals out of 65,149 listings starting at $850
Used Ford Mustang
607 Great Deals out of 39,009 listings starting at $1,500
Used Honda Accord
1,197 Great Deals out of 74,837 listings starting at $561
Used Dodge Charger
373 Great Deals out of 33,495 listings starting at $2,000
Used Chevrolet Silverado 1500
2,701 Great Deals out of 196,479 listings starting at $699
Used Ford Fusion
1,022 Great Deals out of 69,473 listings starting at $888
Used Toyota Camry
995 Great Deals out of 101,230 listings starting at $300

Used Cars For Sale

2010 Chevrolet Cobalt For Sale
13 Great Deals out of 620 listings starting at $2,450
2009 Chevrolet Cobalt For Sale
7 Great Deals out of 638 listings starting at $1,899
2008 Chevrolet Cobalt For Sale
9 Great Deals out of 675 listings starting at $1,800
2007 Chevrolet Cobalt For Sale
702 listings starting at $2,000
2006 Chevrolet Cobalt For Sale
636 listings starting at $2,959

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.