1.8 not GDI stuck at 4000rpm

Boz · Apr 12th, 2013, 21:21

Hi guys, need some advice please. I have a 1.8 petrol (not GDI) s40 with170,000 miles on it. Today the engine reved to 4000rpm and stayed there, very scary!!
managed to get it home. Had another look once it had cooled down and it started and idled ok.

The throttle pedal seems free enough and not sticky, cable is in place on the throttle housing. my guess is build up of carbon on the butterfly, will check tomorrow... any thoughts?

ta

gatos · Apr 12th, 2013, 22:14

Checking and cleaning the throttle body is a good start.

Apr 12th, 2013, 21:21	#1
Boz Junior Member Last Online: Dec 15th, 2017 14:33 Join Date: Aug 2006 Location: Dagenham	1.8 not GDI stuck at 4000rpm Hi guys, need some advice please. I have a 1.8 petrol (not GDI) s40 with170,000 miles on it. Today the engine reved to 4000rpm and stayed there, very scary!! managed to get it home. Had another look once it had cooled down and it started and idled ok. The throttle pedal seems free enough and not sticky, cable is in place on the throttle housing. my guess is build up of carbon on the butterfly, will check tomorrow... any thoughts? ta

Apr 12th, 2013, 22:14	#2
gatos Premier Member Last Online: Nov 15th, 2022 21:34 Join Date: Apr 2010 Location: London / Essex	Checking and cleaning the throttle body is a good start. __________________ Current car: 2002 S40 1.9D, 1992 240SE Nullius in Verba

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