Low/no compression
Thread Starter
Audiworld Junior Member
Joined: Oct 2011
Posts: 21
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Low/no compression
Hi all,
Car details.
2001 Audi A6 2.5 tdi saloon manual
118k on the clock, full service history
Long story short: took my wife to work, no problems with car. got home parked up, went to get in car to pick wife back up from work, car wont start. fuel is getting through, loads of compression in engine. A couple of people looked at it, scratched thier heads & left.
After it's been sat in my drive for 2 months without being started it goes to Audi main dealer ( on truck ) for some recoding to be done. They recoded fine but came back to me & said "it's got no compression" when they try to start the car it makes a whining noise rather than a turning over noise.
My question is this, how can i get the compression back up & what would cause it to drop so much just by standing in my drive for 2 months.
thankyou in advance.
Car details.
2001 Audi A6 2.5 tdi saloon manual
118k on the clock, full service history
Long story short: took my wife to work, no problems with car. got home parked up, went to get in car to pick wife back up from work, car wont start. fuel is getting through, loads of compression in engine. A couple of people looked at it, scratched thier heads & left.
After it's been sat in my drive for 2 months without being started it goes to Audi main dealer ( on truck ) for some recoding to be done. They recoded fine but came back to me & said "it's got no compression" when they try to start the car it makes a whining noise rather than a turning over noise.
My question is this, how can i get the compression back up & what would cause it to drop so much just by standing in my drive for 2 months.
thankyou in advance.
AudiWorld Member
Joined: Jan 2012
Posts: 107
Likes: 0
From: Denver, CO
Sounds a lot fishy-
When you try to start it, does the engine actually turn over? Look under the hood to see if the belts and things at the front of the engine actually turn while you have someone turn the key. If not, then there's a problem with the starter.
Also, what "recoding" did they do? What codes was it or is it throwing now?
Jim
When you try to start it, does the engine actually turn over? Look under the hood to see if the belts and things at the front of the engine actually turn while you have someone turn the key. If not, then there's a problem with the starter.
Also, what "recoding" did they do? What codes was it or is it throwing now?
Jim
Thread Starter
Audiworld Junior Member
Joined: Oct 2011
Posts: 21
Likes: 0
it had to have a new instrument/dial cluster so it had to be coded to my car
i'll get someone to have a look & see whats happening with it when i turn the key.
thankyou guys,
i'll get back to you when the car is brought back on tuesday
i'll get someone to have a look & see whats happening with it when i turn the key.
thankyou guys,
i'll get back to you when the car is brought back on tuesday
Thread Starter
Audiworld Junior Member
Joined: Oct 2011
Posts: 21
Likes: 0
that was why it went to Audi on a truck because the other cluster was totaly shagged & wouldn't allow the car to start but then the compression just dropped for no reason. wish i could figure it out, it's being dropped off at my house again on tues. I'll keep trying to crank it over until i get a result
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Thread Starter
Audiworld Junior Member
Joined: Oct 2011
Posts: 21
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been & collected the car from Audi today, my friend offered to tow it home for me. on the way back i phoned him & asked him to pull over, i told him we're going to try & bump start it under tow. Believe it or not my car fired into life & is now running perfectly, it's actually running better than before it went to Audi.
Anyway guys, thankyou all very much for your sound & solid advice.
One last thing, i'm really glad i didn't go ahead & pay the £2500 Audi quoted to get it running
Anyway guys, thankyou all very much for your sound & solid advice.
One last thing, i'm really glad i didn't go ahead & pay the £2500 Audi quoted to get it running
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