Engine Surges @ Low RPM's
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Senior Member
Joined: Jan 2005
Posts: 6,494
Likes: 1
From: Northern CA
Originally Posted by RamSS/T
Does it do it both with the AC on and off..mine has done this very mildly since day one with the AC off. Turn it on and it goes away. I fixed it by leaving the AC on.
Seriously I carried it in and showed the dealer what it was doing back right after I bought the truck and got the "Ford is working on a fix" speach, after that I relized it only did it with the AC off so I didn't worry about it. Actually I need to see if its still doing it...I haven't even tried it since I bought my tuner.
Seriously I carried it in and showed the dealer what it was doing back right after I bought the truck and got the "Ford is working on a fix" speach, after that I relized it only did it with the AC off so I didn't worry about it. Actually I need to see if its still doing it...I haven't even tried it since I bought my tuner.
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Joined: Oct 2004
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Originally Posted by Josiah
Thats an odd fix, I really can't see how that'd help but I'm open to any suggestions. I'll be trying it tomorrow. Thanks.
Don't think it will work on your problem. If you engage the A/C the engine idle goes up slightly. Not as much on these trucks as say a car from the 70's-80's. Still, it is an old trick to smooth out a rough idle. The increase in RPM can move the idle into a more stable range.
But 200 RPM like you are wavering is more than that should change.
Chris