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

62,125

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

295

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 2,610
#2 Joeyadams
Joeyadams
Reputation 1,310
#3 Warren0007
Warren0007
Reputation 1,230
View All

Related Models For Sale

Used Chevrolet Cavalier
1,084 listings
Used Pontiac Firebird
10 Great Deals out of 795 listings starting at $1,800
Used Ford Mustang
309 Great Deals out of 45,395 listings starting at $2,000
Used Pontiac Grand Prix
25 Great Deals out of 2,913 listings starting at $879
Used Pontiac Grand Am
1,319 listings starting at $799
Used Honda Civic
522 Great Deals out of 81,020 listings starting at $558
Used Ford Escort
358 listings
Used Toyota Corolla
745 Great Deals out of 74,930 listings starting at $1,790
Used BMW 3 Series
1,132 Great Deals out of 35,726 listings starting at $900
Used Toyota Camry
879 Great Deals out of 91,561 listings starting at $1,300
Used Ford Focus
543 Great Deals out of 55,583 listings starting at $500