Rough Idle ? hesitation 3000-4000rpm ? Items to check

		Volvo Owners Club Forum > "Technical Topics" > S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General > ETM Issues
Rough Idle ? hesitation 3000-4000rpm ? Items to check

ETM Issues Discuss issues regarding the problems with ETMs fitted to Volvo cars.

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Jan 27th, 2013, 10:29	#1
M D E Master Member Last Online: Apr 27th, 2020 02:26 Join Date: Jan 2006 Location: Winchester	Rough Idle ? hesitation 3000-4000rpm ? Items to check Rough Idle ? hesitation 3000-4000rpm ? Items to check Just to post two more items to check if you have the above problem : ) Inlet Temperature Sensor ) MAF Sensor Why ? Just had a new contact-less ETM fitted, and still had rough idle to the point of it stalling and hesitation 3000-4000rpm..... Found two faults that my air inlet temperature was reading -40 degree's (was a broken cable to the sensor) My MAF sensor was faulty, only replacement is the BOSH one, performance is excellent now (better than when I bought it 5 years ago) and its so smooth on tickover and acceleration..... __________________ Regards MDE C70 T5 LPG -Convertible + Lotus Esprit 480 TURBO ......................Previous .... 340GL,740GL,850GLT,850 T5,850 R,V70R,(95) 960 3.0,480 Turbos in white, black, blue, gold,S60 T5

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