what would make a engine idle high and not kick down, i can go 40 mph without giving the car gas. '91 t-bird

Answer 1

I HAD A 91 T-BIRD WITH A 302 HO ENGINE. IT HAD THE SAME PROBLEM. A LOCAL FORD DEALER CHECKED IT OUT AND FOUND OUT IT WAS THE THROTTLE POSITION SENSOR. IT RAN FINE AFTER THAT.

Answer 2

Sensor issues in the gasoline injection device. Maf sensor (Mass ventilation) that's placed in the air air purifier housing. This regulates ventilation and gasoline combination as does the subsequent sensor. and so on digital temperature administration...Gauges the temp to regulate for top combination at chilly initiate. computerized ckoke..which additionally adjusts the throttle physique beginning to permit maximum appropriate volume of the two air and gasoline into the device. the indicators to me sound like loss of appropriate ventilation to the sensors...initiate with cleansing or changing the air filter out. next disconnect the wires to the MAF. attempt beginning it that way. Then save going all the thank you to the gasoline injectors... different probability is undesirable gasoline filter out, clogged gasoline injectors, and contaminants on the throttle physique plate. Spend a pair dollars and have it positioned on a meter. this would a minimum of provide you a sturdy place to start..and in case you're fairly mechanical, get a instruction manual, (Chilton's is a sturdy decision) and troubleshoot it your self and shop ALOT of money!!

Answer 3

the choke is stuck or the throttle linkage give everything a shot of WD-40 and wiggle the linkage.

Answer 4

throttle sensor, On the t bird i have i had to screw in the pin located at the end of the throttle cable.

Answer 5

could be a few different things ,but probably a vacuum leak or o bad I.A.C. valve(idle air control).does is get any better after the car warms up? if it does,probably the I.A.C.

Answer 6

throttle body positioning switch