91 tempo gl 4 cyl. 175,000 miles...I have a hesitation while driving..it's fine when accelerating and idling. .some say TPS but not sure..my power wire on alternator was broke but it's fixed now


Asked by Oct 29, 2014 at 07:42 PM about the 1991 Ford Tempo 4 Dr GL Sedan

Question type: Maintenance & Repair

3 Answers


TPS is a common failure, also ITS, you should have the codes checked It could help with further diagnosis, it could save you a few bucks.


What is an ITS and there is no light on for code


ITS is the idle tracing switch, it's built into the ISC Idle speed control. The check engine light does not have to be on for there to be a problem, that is one of the drawbacks with OBD1 Fords, a sensor can be way out specs but show changes in readings as the vehicle is driven so the ECM see the changes, thinks it is accurate so it won't set a code, also wiring degradation can cause drive ability issues and not set codes. a breakout box is very necessary when tracking down erroneous sensor readings or internal wiring problems. Hope I didn't rattle you too much.

Your Answer

Add photo

Related Questions


Looking for a Used Tempo in your area?

CarGurus has 18 nationwide Tempo listings and the tools to find you a great deal.


Search Ford Tempo Questions

Ford Tempo Experts

#1 Tom Demyan
Tom Demyan
Reputation 180
#2 tennisshoes
Reputation 150
#3 littlehorn
Reputation 130
View All

Related Models For Sale

Used Ford Escort"
557 listings
Used Ford Taurus"
356 Great Deals out of 23,100 listings starting at $1,400
Used Ford F-150"
3,272 Great Deals out of 216,641 listings starting at $1,500
Used Ford Crown Victoria"
11 Great Deals out of 1,652 listings starting at $1,950