Vehicle & Technical > Discovery

My rev counter's gone mad. I'm now tickng over at 1500rpm and driving at 1000rpm

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auf_wiedersehen_pet:
Spotted it today.

The tickover is now at an indicated 1500rpm. When I pull off it drops to 1000rpm and will then jump up and down between 1000rpm to 2000rpm.

The true engine speed has not changed and seems to be running perfectly.

Anybody had anything similar?

lambert:
check all the conections on the back of the alternator they can come loose or corrode nd give mad rev readings.

carracarra13:
had a simmiuler problem with ours but it droped the revs right down is was  the smallest of blows on our manifold all sorted now perfect

auf_wiedersehen_pet:

--- Quote from: lambert on March 31, 2009, 22:35:39 ---check all the conections on the back of the alternator they can come loose or corrode nd give mad rev readings.

--- End quote ---

Checked all of the connections - no joy.

Good dose of WD40 - hey presto! Sorted.

Range Rover Blues:
Possibly a wire that's corroded in the terminal then, are any of them crimped?

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