I unplug the vacuum from the MAP sensor it idles good?
WILLIAMARNETT92
MEMBER
1994 GEO TRACKER
161,000 MILES
When I start the car it idles high but when I unplug the vacuum from the MAP sensor it idles good what could be wrong?
Thursday, July 5th, 2012 AT 12:27 AM
3 Replies
SATURNTECH9
MECHANIC
30,869 POSTS
Do you have any codes in the computer? Also have you checked for vacuum leaks yet, it sounds like you have a bad MAP sensor
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Thursday, July 5th, 2012 AT 12:41 AM
WILLIAMARNETT92
MEMBER
8 POSTS
No codes and I just replaced the vacuum lines
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Thursday, July 5th, 2012 AT 12:44 AM
SATURNTECH9
MECHANIC
30,869 POSTS
I would get a can of carb spray let it idle and spray around all vacuum sources intake manifold hoses etc.If the rpms go up when you found a vacuum leak.