Car still running poorly

Asked by Jun 21, 2016 at 12:51 AM about the 2003 Chevrolet Cavalier

Question type: Maintenance & Repair

I have a 2003 Chevy cavalier . My car runs
but not like it should. Got the check engine
light checked out and they said its a spark
plug . So I put new ones in. Still I have the
same problem . Got the check engine light
looked at again and they said its a fuel
injector. That it was misfireing my third
cylinder . I took them out and got them
cleaned out all of them spray good. And
still have the same problem . Don't know
what else to look for

1 Answer

73,175

P0303 CHEVROLET - Cylinder 3 Misfire Detected- Possible causes - Faulty spark plug 3 - Faulty spark plug wire 3 - Clogged or faulty fuel injector 3 - Faulty ignition coil 3 - Fuel injector 3 harness is open or shorted - Fuel injector 3 circuit poor electrical connection - Ignition coil 3 harness is open or shorted - Ignition coil 3 circuit poor electrical connection - Insufficient cylinder 3 compression - Incorrect fuel pressure - Intake air leak

Your Answer

Chevrolet Cavalier Experts

  • #1
    John Saffrahn
    Reputation
    2,970
  • #2
    dandyoun
    Reputation
    1,350
  • #3
    mbar1
    Reputation
    1,200
View All

Related Models For Sale

Used Chevrolet Malibu
1,229 Great Deals out of 76,794 listings starting at $1,500
Used Chevrolet Impala
579 Great Deals out of 34,598 listings starting at $1,250
Used Honda Civic
833 Great Deals out of 76,916 listings starting at $900
Used Chevrolet Camaro
437 Great Deals out of 31,721 listings starting at $2,395
Used Ford Focus
748 Great Deals out of 53,693 listings starting at $1,495
Used Honda Accord
1,082 Great Deals out of 61,710 listings starting at $999
Used Toyota Corolla
887 Great Deals out of 64,913 listings starting at $1,000
Used Ford Mustang
759 Great Deals out of 41,959 listings starting at $1,300
Used Chevrolet Corvette
292 Great Deals out of 22,023 listings starting at $2,500
Used Toyota Camry
1,099 Great Deals out of 70,456 listings starting at $750
Used Chevrolet Silverado 1500
2,170 Great Deals out of 181,111 listings starting at $1,900
Used Pontiac Sunfire
308 listings starting at $2,100
Used Chevrolet Aveo
19 Great Deals out of 1,564 listings starting at $1,585

Used Cars For Sale

2004 Chevrolet Cavalier For Sale
3 Great Deals out of 184 listings starting at $1,000

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.