Rough Idle Temperture Related
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Joined: Sep 2004
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From: Pahrump NV
Rough Idle Temperture Related
1995 F250 w/351W.
no CEL, No OBD I codes (111 no errors KOEO & KOER)
Idle surges between 500 & 700 rpm.
When engine is cold and early in the Morning the idle surge is barely noticeable. However as engine heats up and the day gets warmer the
Idle surge is very noticeable.
Replaced EGR and TPS sensor, new IAC valve. new PCV
New plugs, MSD distributor cap and coil.
Replace all those brittle plastic vacuum lines w/color coded neoprene vacuum
lines. Engine has great acceleration.
However this idle surge is puzzling.
Any Thoughts and/or ideas would be greatly appreciated.
Thanks
Guy
no CEL, No OBD I codes (111 no errors KOEO & KOER)
Idle surges between 500 & 700 rpm.
When engine is cold and early in the Morning the idle surge is barely noticeable. However as engine heats up and the day gets warmer the
Idle surge is very noticeable.
Replaced EGR and TPS sensor, new IAC valve. new PCV
New plugs, MSD distributor cap and coil.
Replace all those brittle plastic vacuum lines w/color coded neoprene vacuum
lines. Engine has great acceleration.
However this idle surge is puzzling.
Any Thoughts and/or ideas would be greatly appreciated.
Thanks
Guy
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