2.9L engine in an 88' revving very high? answers? thanks!

65

Asked by Jul 23, 2010 at 11:37 PM about the 1988 Ford Ranger

Question type: Maintenance & Repair

i have an 88' Ford Ranger with a manual tranny and a 2.9L. it was swapped from the original 2.3. it runs fine but revs high in neutral or with the clutch in.

9 Answers

try changing the throttle position scensor.

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65

alright thanks a lot, got any little tips on a how-to?

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OK,take off your air cleaner,is on throtle body ,is black plastic,round with a tail unplug connector is 2 torxs scwers remove them take out old tps put new one in.is a 5 min job,you cant miss it,is really the onley thing that is on side of tb.good luck.

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Best Answer
65

thank you very much! very helpful will try and get it done soon. when i get some spare time.

no problem,let me know how it goes.

2,965

if that doesent work u could also check your idle air sensor.ive changed a few during the years an my other trucks and they had the same symtoms u descibed.sometimes cleaning the idle air sensor fixes the problem for a while.its a cheap way of checking your idle air sensor.

you may also want to check for vacume leaks,the hoses are rubber and crack and split open,also check gasket under the throttle body.

@ Papa Hey I have the same problem on a 02 Ranger Manual 3.0L - it reves high when I engage the clutch adn only comes down after I stop?? Will this work for my vehicle also?? Thanks

YES,sounds like the TBS bad to.

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