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Engine surge.

 
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Old 26 Jan 2017, 11:13 am
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Default Engine surge.

I have a 2002 Touring 2.0 litre/61000miles. and for the last 2 weeks the engine has increased in revs. When I change gear the revs. go up to 1600/1700rpm then ease down to 1000rpm(normal idle is about 800rpm) I have replaced the air filter, cleaned the carb. with xylene aerosol. No error codes have shown. Ideas for the fault would be greatly appreciated before I reluctantly take it to a garage. Thank you.
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Old 26 Jan 2017, 11:38 am
Fk5 Fk5 is offline
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Default Re: Engine surge.

There is no carb, but I guess you mean throttle body. Symptoms sound like a minor vacuum leak to me. I would start checking hoses, and particularly the PCV. Did you do any work on it recently? That is the first place to look for something loose or cracked
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Old 26 Jan 2017, 11:52 am
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Default Re: Engine surge.

Quote:
Originally Posted by Fk5 View Post
Symptoms sound like a minor vacuum leak to me. I would start checking hoses
^ i agree!
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Old 26 Jan 2017, 01:02 pm
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Default Re: Engine surge.

Welcome to the forum
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Old 26 Jan 2017, 01:17 pm
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Default Re: Engine surge.

Quote:
Originally Posted by Fk5 View Post
There is no carb, but I guess you mean throttle body. Symptoms sound like a minor vacuum leak to me. I would start checking hoses, and particularly the PCV. Did you do any work on it recently? That is the first place to look for something loose or cracked
Thank you for your advice. I have done no work on the vehicle, but will do the checks as you suggest, and get back to you as soon as possible.
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Old 26 Jan 2017, 01:23 pm
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Default Re: Engine surge.

Welcome to the forum.
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Old 27 Jan 2017, 08:48 am
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Default Re: Engine surge.

Quote:
Originally Posted by Fk5 View Post
There is no carb, but I guess you mean throttle body. Symptoms sound like a minor vacuum leak to me. I would start checking hoses, and particularly the PCV. Did you do any work on it recently? That is the first place to look for something loose or cracked
I have checked the PCV hose and, voila!, it is perforated. Many thanks, once again.
I have had this car for more than 13 years and have always bumbled along on my own. Why I have never joined this forum before, I don't know. But better late than never!
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Old 27 Jan 2017, 10:20 am
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Default Re: Engine surge.

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