Emission light is on and the vehicle has an erratic speedometer when decelerating and down shifts hard.
Thursday, April 1st, 2010 AT 9:07 PM
1 Reply
JACOBANDNICKOLAS
MECHANIC
109,716 POSTS
Have you had the computer scanned? As far as the speedo, it sounds like an issue with a vehicle speed sensor. However, I have seen the throttle position sensor cause ids a bad ISC Have you checked that?