Doesn't stay running....

35

Asked by Sep 29, 2015 at 07:52 PM about the 1999 Pontiac Sunfire 4 Dr SE Sedan

Question type: Maintenance & Repair

I've replaced the spark plugs, battery, alternator... Not holding the charge. It runs but dies after a few minutes. This started after I replaced the spark plugs

4 Answers

310

First step! Check the voltage from your battery. 13-16 amps without load and 10 amps when cranking! Then check voltage to alternator when running. Voltage should be same as battery volts maybe 1 amp less. If there's a difference. If you do not have a voltmeter, crank car disconnect battery and pull battery out..touch the ground cable to body. If the car shuts off its your alternator. If not and stays running it can be your coil or ECU.

1 of 1 people found this helpful.
Best Answer Mark helpful
35

Well.. I had the alternator checked at AutoZone. They said its good but battery was really low. I'm hoping a new battery will fix it. If not, I'll let you know! Thank you so much Greg!

35

Okay.. I got a new battery. That fixed the dying problem. Now... As soon as I start it, it revs like crazy for a few seconds. Once I start driving, it picks up speed on its own.. AND when I shift gears it acts like I'm flooring the gas. Any idea why?

2 of 2 people found this helpful.

I have a 1999 Pontiac sunfire and it was leaking oil I had change the oil filter and put new oil now the car makes this really loud noise like if it's hitting against another metal part I check everything but nothing the noise comes from around the motor and every time I turn car on it turns off what can it be? And my accessory belt tensioner rattles to?

Your Answer

Sunfire

Looking for a Used Sunfire in your area?

CarGurus has 286 nationwide Sunfire listings starting at $2,100.

ZIP:

Pontiac Sunfire Experts

  • #1
    John Saffrahn
    Reputation
    2,850
  • #2
    Joeyadams
    Reputation
    1,380
  • #3
    Warren0007
    Reputation
    1,260
View All

Related Models For Sale

Used Chevrolet Cavalier
809 listings starting at $1,695
Used Honda Civic
834 Great Deals out of 61,318 listings starting at $950
Used Pontiac Bonneville
480 listings starting at $2,995
Used Hyundai Accent
279 Great Deals out of 12,409 listings starting at $900
Used Pontiac Firebird
8 Great Deals out of 764 listings starting at $2,995
Used Pontiac Grand Prix
13 Great Deals out of 2,661 listings starting at $1,750
Used Ford Mustang
600 Great Deals out of 39,738 listings starting at $1,988
Used Pontiac Grand Am
1,077 listings starting at $1,500
Used Chevrolet Camaro
456 Great Deals out of 31,823 listings starting at $1,450

Used Cars For Sale

2004 Pontiac Sunfire For Sale
33 listings starting at $3,450

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.