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Volvo s4o 1.8 gdi 2003 model, I have just cleaned

Volvo s4o 1.8 gdi 2003 model I have just cleaned the throttle body and now the car is over reving at 2-3000 revs at idle and surging when driving any ideas please?

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Check the hoses connected to the throtle bodie.One of them is still out.Found it.

Posted on May 15, 2010

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Volvo c70 2001. blown engine. Have now replaced engine/used old throttle body but car difficult to run and hard to start. surging badly will not idle/stalls


on google:

2001 Volvo C70 Problems - RepairPal

repairpal.com > Problems > Volvo > C70 Problem with your 2001 Volvo C70? Search our list of user submitted and RepairPal verified problems and issues

Jul 20, 2015 | 2001 Volvo C70

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Rough idle in 740 1990 Volvo Smooths out a bit when driving


When it idles rough it could be several things but, an easier thing you can do 1st is cleat the throttle body of any carbon(black stuff) with throttle body cleaner or something like carb cleaner. Ive used brake cleaner sometimes. But yea, look up your cars info about your motor and just clean all the black carbon off of anything at the throttle body and you may even need to take some of it apart to get down in there with a rag, little cleaning brush and the cleaner. Clean the thing you can move by hand called a "butterfly".

Jan 03, 2014 | 1990 Volvo 740

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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

Feb 06, 2012 | 2000 Volvo V40

1 Answer

How to clean throttle body on volvo c70 2001


This is a simple job so don't get scared and you can do this yourseld with some cleaner a rag and a small brush, just remove everything around the throttle body and you can go to your local auto parts store and buy a cleaning kit for about $5. If the deposits are not too thick and have not cooked or burnt onto the plate or throttle body, you should not need to remove the whole throttle plate assembly. With the engine off, simply remove the air hose from the throttle body intake and carefully wipe away the deposits from the perimeter of the throttle body and the throttle disk. You can manually operate the throttle while you are doing this.

This is a simple service that I've never seen mentioned in any owner's manual and I'm sure a great number of people pay for unneeded misdiagnosed repairs when all that is required is this simple cleaning. It does make a difference. You should do this at least once a year.
The '99s and up have an electronic TB which as you've read are prone to failure. Cleaning is still recommended and sometimes necessary when idle becomes erratic or if you recently had a MAF or 02 sensor go on you and it might be gummed up. The volvo intake is "dirty" anyway so after a while it will always have to be cleaned.
To properly clean the ETM on a 99+ turbo Volvo you need to remove the TB and clean it on a bench. Its tucked way under the intake manifold and its impossible to see what you're doing without removing it. Also replace the gasket.

Oct 09, 2011 | 2001 Volvo C70

1 Answer

I have a v40 1.8 gdi x reg 75k but on tick ova the revs go up and down and sumtimes stalls can any 1 help please


It is most likely to be the throttle housing and idle control valve that needs a good clean, Gdi's are prone to coking up and cleaning these parts usually solves idling problems!

May 09, 2011 | 2000 Volvo V40

3 Answers

Volvo v70, rough running, fault codes p2172 p2101


The exact same set of codes have just come up on my car, the same car and year. Did you solve it? I am thinking cleaning the throttle body first, any help appreciated....

Jun 02, 2010 | 2002 Volvo V70

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Engine surge


throttle may need cleaned and uptadet with new software

Apr 02, 2009 | 2000 Volvo C70

1 Answer

Poor /no acceleration


THE GDI ENGINE SUFFERS FROM EXTREME "COKING" - DEPOSITS THAT STICK AROUND THE VALVES AND PREVENT PROPER OPERATION, RESULTING IN POWER LOSS. REPAIR CAN BE EXTENSIVE AND COSTLY ESPECIALY IF YOU START TO HEAR A RATTLE ON IDLE. THE FIRST STEP I WOULD SUGGEST IS, TRY USING FUEL ADDITIVES SUCH AS WURTH FUEL/GAS/VALVE TREATMENT THESE ADDITIVES ARE QUITE CAPABLE OF CLEARING OR CLEANING CONTAMINATED PARTS IN TIME.

Jan 28, 2009 | 2001 Volvo V40

1 Answer

Volvo s40 gdi


My 1998 Volvo does the same sometimes. Better petrol helps for me, these engines like the higher octane petrol. My car does not like the BP petrol at all for example.

Jun 28, 2008 | 2000 Volvo S40

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