loses rpms

spenwall50 · #1 (**permalink**) 12-14-2010, 02:17 PM

My 97 PSD runs well, except when i rev the engine with truck in neutral, the rpm s shoot up and then drop about 200-400. They will then hold no matter how high engine is revved. Is this normal? this is my first diesel truck and i would appreciate any help. Thanks.

**bondsman** · #2 (**permalink**) 12-14-2010, 07:14 PM

That is normal to an extent. How high are you revving? How fast are you pressing the pedal? It is fly-by-wire so there is some lag in the signal.

spenwall50 · #3 (**permalink**) 12-16-2010, 04:57 PM

i would say i moderately press the pedal. It doesnt seem to matter how high i revv, it does the same thing

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