Question about 2001 Volvo V40

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1.8 gdi petrol engine loss of power

Volvo/mitsubishi gdi petrol engine loss of power when going up hill. New throttle body fitted and egr valve removed and cleaned still no .diffrent.

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Posted on Jan 02, 2017

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SOURCE: volvo v40 2000nx reg 1.8 NON gdi engine constant high rpm can having no thermostat cause constant high rpm or can a briken lambda sensor cause high rpm cleaned all throttle body cleaned idle valve che

Yes, having no thermostat can cause the car to run fast as it will still be set in it's "warm up" mode and will be injecting a richer mixture of fuel/air into the cylinders. There may be an additional cold start injector that just works while the engine is cold. You will probably use more fuel like this. It's not a great idea to run with no thermostat anyway because you get uneven hot and cold spots around the engine which is bad for it. Cheers

Posted on Feb 06, 2012

Testimonial: "many thanks ben ive renewed themostat and problem solved "

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repairpal.com > Problems > Nissan > Sentra
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Wher is the egr valve on a 2003 galant


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1 Answer

Volvo v40 2000nx reg 1.8 NON gdi engine constant high rpm can having no thermostat cause constant high rpm or can a briken lambda sensor cause high rpm cleaned all throttle body cleaned idle valve checked...


Yes, having no thermostat can cause the car to run fast as it will still be set in it's "warm up" mode and will be injecting a richer mixture of fuel/air into the cylinders. There may be an additional cold start injector that just works while the engine is cold. You will probably use more fuel like this. It's not a great idea to run with no thermostat anyway because you get uneven hot and cold spots around the engine which is bad for it. Cheers

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2 Answers

Loss of speed power and acceleration. Maximum revs at full throttle 3000rpm. No kick down. Seems the engine wants to die but doesnt do so.


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