my 2002 run good, but at a stop light the rpms go surge from 600 to 1200, bach and forth. put it in neutral and it idles right. any ideas?

Asked by Aug 03, 2014 at 08:36 PM about the 2002 Pontiac Sunfire

Question type: Maintenance & Repair

2 Answers

63,325

Check for vacume leak,s at or around intake,and if engine light is on could be bad tps.

315

check engine/service engine soon or other dash lights. Spray some carb cleaner or starting fluid around your vacuum lines and listen for the idle to change this will help you find a leaking vac. line. (try to do this while the engine is cold & have a fire extinguisher handy just in case!).

Your Answer

Add photo

Related Questions

Search Pontiac Sunfire Questions

Pontiac Sunfire Experts

#1 John Saffrahn
John Saffrahn
Reputation 2,670
#2 Joeyadams
Joeyadams
Reputation 1,310
#3 Warren0007
Warren0007
Reputation 1,230
View All

Related Models For Sale

Used Chevrolet Cavalier
1,072 listings
Used Pontiac Grand Am
1,267 listings starting at $1,593
Used Ford Mustang
389 Great Deals out of 47,145 listings starting at $1,999
Used Honda Civic
515 Great Deals out of 89,462 listings starting at $1,299
Used Pontiac Firebird
7 Great Deals out of 742 listings starting at $2,500
Used Pontiac Grand Prix
26 Great Deals out of 2,932 listings starting at $1,995
Used Chevrolet Camaro
148 Great Deals out of 32,808 listings starting at $1,995
Used Chevrolet Impala
531 Great Deals out of 29,799 listings starting at $799
Used Volkswagen Jetta
405 Great Deals out of 37,862 listings starting at $1,385
Used Toyota Camry
815 Great Deals out of 90,820 listings starting at $850
Used Nissan Altima
854 Great Deals out of 79,899 listings starting at $1,800