4.9l idleing rpm
I've got a 4.9l 1990 f150 that seems to be idleing kind of high. Whats the norm for these engines? Mine sits at just under 2k.
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I had an 89 5.0
Same basic age. I had a TPS (throttle plate sensor) or something like that get out off whack. There is a test for it with an ohm meter. Just remove and hook up meter and operate and record readings.
The sensor sends a signal to ECM or PCM computer thing and it sets idle. I believe the sensor cost $25 in about 1995. Its an easy test and doesn't cost any thing to test. |
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