03 sunfire, check engine light is on runs like it is missing. As I drive it will flash but when it comes back to an idle the light is constant again.

20

Asked by Oct 06, 2014 at 07:07 PM about the 2003 Pontiac Sunfire Base

Question type: Maintenance & Repair

3 Answers

242,415

Time to have the car scanned, stop off at your local auto parts store, most will do it for free.

1 of 1 people found this helpful.
10

I would not drive it any more than you have to, when the light is flashing. That indicates potential harm to the expensive Cat Converter. Most common cause of misfire is the secondary ignition, spark plugs and wires.

1 of 1 people found this helpful.

Not really an answer here, but an affirmation re: my wife's '03 Sunfire (HATE that little black "roller skate"). Same symptoms and a full tune-up remedied the problem. My LAST good GM was a '74 Monte Carlo, 454 engine, all the bells and whistles with a black leather interior. Most GMs since have been CR*P...

Your Answer

Add photo

Related Questions

Sunfire

Looking for a Used Sunfire in your area?

CarGurus has 344 nationwide Sunfire listings starting at $3,495.

ZIP:

Search Pontiac Sunfire Questions

Pontiac Sunfire Experts

#1 John Saffrahn
John Saffrahn
Reputation 2,720
#2 Joeyadams
Joeyadams
Reputation 1,320
#3 Warren0007
Warren0007
Reputation 1,240
View All

Related Models For Sale

Used Chevrolet Cavalier
3 Great Deals out of 1,018 listings starting at $695
Used Pontiac Grand Prix
40 Great Deals out of 2,909 listings starting at $1,995
Used Pontiac Grand Am
1,175 listings starting at $1,000
Used Pontiac Firebird
10 Great Deals out of 776 listings starting at $3,490
Used Chevrolet Impala
613 Great Deals out of 35,405 listings starting at $899
Used Honda Accord
1,014 Great Deals out of 76,977 listings starting at $999
Used Ford Mustang
621 Great Deals out of 46,682 listings starting at $750
Used BMW 3 Series
964 Great Deals out of 30,726 listings starting at $1,000
Used Mazda Protege
258 listings
Used Ford Taurus
276 Great Deals out of 20,482 listings starting at $1,300
Used Nissan Altima
1,240 Great Deals out of 79,838 listings starting at $1,500
Used Chevrolet Camaro
246 Great Deals out of 31,906 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.