Technical Sudden increase in rpm

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Technical Sudden increase in rpm

TangerineTractor

Stilo at the Seaside!
Joined
Apr 18, 2011
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672
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Location
Near Blackpool
The Chicken has suddenly increased its revs..

It's idling at just over 1000 now, whereas before it was under, and at 60mph it's over 2000 revs now and before it was virtually dead on 2000. Obviously, fuel consumption has increased accordingly.

Any suggestions? I've still got my engine fault light on after driving through a flood about 150 miles ago, but all is running fine otherwise...
 
Is that relevant on a JTD? And my symtoms are the opposite - I'm getting excessive revs rather than the other way around?
 
cleaning the throttle control is really easy mate. it is worth cleaning anyway as there most probably is stuff on there, i did mine not long ago even though i didnt need to and it made everything better.

so you best give it a clean just to see if it will help. plus it wont cost you any money.

regarding your excessive reving im not sure about that but it does sound that it could be your throttle as it is not closing correctly. it needs to be all smooth with no gunk or anything there.
 
Wondering if a dirty MAF could give these symptoms - I went through some deep seawater, and the MAF is pretty low down and exposed...
 
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