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+--- Thread: Hdi revs droppin and fluctuating? (/showthread.php?tid=27752)
Hdi revs droppin and fluctuating? - daveylennon93 - 13-11-2014
Well maybe this is normal but anyway i said ill ask.
When i rev the car and let it return to idle the revs will dip to about 750-800 then rise and stay at at 850-900.
And when i turn on the lights or the heatin the revs drop and then rise as above.
And earlier on the revs were fluctuatin up and down when i had the heat and the lights on?
Would all these symthoms be due to a bad battery, alternator or maybe earths need cleaning?
Cheers.
Hdi revs droppin and fluctuating? - Razorback_Rob - 14-11-2014
I wouldn't be too worried about it. It's just sudden drain on the battery. Unless it's delayed. All hdi's I've had has dipped in revs for a second.
RE: Hdi revs droppin and fluctuating? - Poodle - 15-11-2014
Earthing problem most likely, have a check around the engine bay, particularly down by the gearbox and ns inner chassis leg. Failing that it might be worth giving the tps a clean.
RE: Hdi revs droppin and fluctuating? - daveylennon93 - 16-11-2014
Yeah im gona clean up the earths 2moro when im servicin it and changin the gearbox mount.
By tps ya mean trottle position sensor yea ? How i go about cleanin that ?
RE: Hdi revs droppin and fluctuating? - Poodle - 17-11-2014
Yeah that's right, there's a guide on it in the guide section.