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1994 Pontiac Grand Am problem

Tiny
NATE5403
  • MEMBER
  • 1994 PONTIAC GRAND AM
I have a 1994 Pontiac Grand AM SE 3.1L V6 with 139000 miles, automatic trans, and I had a new oil switch put in yesterday. The car was running fine until I took it in to the shop and once the switch was replaced the car ran fairly good but when I came to a stop the car acted as though it was going to shut off and I as I went through the parking lot of a local business the car engine stopped twice on me and it had a hard time restarting. I took it for a drive this morning and my interior/exterior lights flicker and when I press the brake the lights go really dim in the car and it acts like it wants to shut off again but it didn't. I have had this problem before but it usually goes away after I drive the car a little bit. I just want to know what the possible problem/s might be.

~thanks
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Tuesday, June 12th, 2007 AT 4:51 AM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
I wonder if there is a vacuum issue. Pressing on the brake calls for more vacuum, and iof the motor is already on the weaker side of the vacuum it may want to stall/runs rough. As it heats up, the vacumm leak may seal. Perhaps an intake manifold leak for example.
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Tuesday, June 12th, 2007 AT 5:35 AM

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