2000 Chevy Impala Car wont stay running

Tiny
JASON STULTS
  • MEMBER
  • 2000 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 150,000 MILES
I recently got in my car and tried to start it, it turns over and only stays running if I hold the acceleration pedal almost to the floor. If I let it go it boggs down and dies. I took it to midas and they told me my intake manifold is cracked, my evap line was bad, and that I need fuel injector o rings, all of which they wont guarantee will fix the problem. I took the upper intake apart and bought a reseal kit for it to make sure sure there is not an air leak, to my eye they intake was not cracked. I also was told to replace the idle air control sensor which did not fix the problem. I replaced the fuel filter, which hasnt been replaced for quite a while. There is black smoke coming out of my exhaust and white smoke coming out by the valve covers. The engine shakes vigorously when I try to maintain idling. Ive been told to replace the throttle body sensor, cam sensor and crank sensor. Does this sound accurate? I really would appreciate someones help in this matter.
Tuesday, July 1st, 2008 AT 12:14 PM

3 Replies

Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
Did you have the vehicle scanned for trouble codes. It could also be a MAF sensor or even a cat converter that is very plugged up. Could be injectors stuck open ect.
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Tuesday, July 1st, 2008 AT 4:09 PM
Tiny
JASON STULTS
  • MEMBER
  • 1 POST
You are exactly right. It is so amazing that someone like you doesn't even have to look at my car to guesstimate and be accurate. I took it to Midas the rip offs a couple of days ago and they were mind boggeled telling me to make 4 repairs with a cost of over 1,200.00 with no guarantee of a fixed solution. This morning, right after I wrote my question I called a mobile mechanic I met yesterday in autozone and he came out and that was the first thing he checked. He disconnected the MAF Sensor ( Mass Air Flow Sensor ) and it ran like new. Thank you for taking the time to figure this out. I reallly appreciate it. Anyone who reads this blog entry, I recommend using RHALL77 to figure your problem out, especially on a GM Vehicle.
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Tuesday, July 1st, 2008 AT 10:58 PM
Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
Thank you, anything I can do to help.
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Wednesday, July 2nd, 2008 AT 8:17 AM

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