1999 Audi A4 1.8t Quattro Problems on accelaration.
01-02-2012, 05:33 AM
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1999 Audi A4 1.8t Quattro Problems on accelaration.
Ok so I got my 99 Audi A4 6 weeks ago. It had an awful noise and knocking after 4 weeks and I changed the oil, the noises stopped. Went on a trip and the weekend after my trip I changed the oil again, so only a few days went between oil changes. After I changed the oil the second time it started having a problem. If I accelerate the the slowly normally the turbo does not kick on. So the car starts fine and accelerates slowly fine, but the moment I give it power the turbo seems to choke, and the front vibrates. If I drive it very slowly everything is fine sounds fine.
Facts:
1.I know I put the correct amount and type of oil.
2. I bought the car with only a bad airbag sensor module to my knowledge, when I bought it the service records and car-fax checked out fine.
3. when I gently press the gas it runs very smooth even at high speeds, (approximation of maybe no more than 3 degrees pressing down on the pedal, anymore than that and the problem starts) but when I give it power to where the turbo starts to kick in, it makes a shuttering noise and vibrates, the turbo kicks in eventually but you can hear the turbo, the shuttering noise and vibration.
4. engine check light is on
Any help as to what it could be will be awesome thnxs guys.
Facts:
1.I know I put the correct amount and type of oil.
2. I bought the car with only a bad airbag sensor module to my knowledge, when I bought it the service records and car-fax checked out fine.
3. when I gently press the gas it runs very smooth even at high speeds, (approximation of maybe no more than 3 degrees pressing down on the pedal, anymore than that and the problem starts) but when I give it power to where the turbo starts to kick in, it makes a shuttering noise and vibrates, the turbo kicks in eventually but you can hear the turbo, the shuttering noise and vibration.
4. engine check light is on
Any help as to what it could be will be awesome thnxs guys.
01-02-2012, 05:40 AM
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Ok so I got my 99 Audi A4 6 weeks ago. It had an awful noise and knocking after 4 weeks and I changed the oil, the noises stopped. Went on a trip and the weekend after my trip I changed the oil again, so only a few days went between oil changes. After I changed the oil the second time it started having a problem. If I accelerate the the slowly normally the turbo does not kick on. So the car starts fine and accelerates slowly fine, but the moment I give it power the turbo seems to choke, and the front vibrates. If I drive it very slowly everything is fine sounds fine.
Facts:
1.I know I put the correct amount and type of oil.
2. I bought the car with only a bad airbag sensor module to my knowledge, when I bought it the service records and car-fax checked out fine.
3. when I gently press the gas it runs very smooth even at high speeds, (approximation of maybe no more than 3 degrees pressing down on the pedal, anymore than that and the problem starts) but when I give it power to where the turbo starts to kick in, it makes a shuttering noise and vibrates, the turbo kicks in eventually but you can hear the turbo, the shuttering noise and vibration.
4. engine check light is on
Any help as to what it could be will be awesome thnxs guys.
Facts:
1.I know I put the correct amount and type of oil.
2. I bought the car with only a bad airbag sensor module to my knowledge, when I bought it the service records and car-fax checked out fine.
3. when I gently press the gas it runs very smooth even at high speeds, (approximation of maybe no more than 3 degrees pressing down on the pedal, anymore than that and the problem starts) but when I give it power to where the turbo starts to kick in, it makes a shuttering noise and vibrates, the turbo kicks in eventually but you can hear the turbo, the shuttering noise and vibration.
4. engine check light is on
Any help as to what it could be will be awesome thnxs guys.
01-02-2012, 01:24 PM
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As above, boost leak or something mechanically wrong with the turbo. You say you can "hear the turbo". What do you hear? The whine as it spools? On a stock car this is pretty quiet and you have to be paying attention or driving next to a wall to hear it.
Also, you say the timing chain has never been done. This car has a timing belt, not a timing chain (unless you mean the cam chain inside the head, which is good to do but not strictly necessary unless it gets really bad).
If the belt: DO THE TIMING BELT NOW. They are good for 60,000, you are way overdue. When they break they will thrash your engine and you are looking at a full rebuild. I know. I had to do it last summer.
Although it was kind of fun actually so if you want to spend two months and a few grand fixing things in your garage....
Also, you say the timing chain has never been done. This car has a timing belt, not a timing chain (unless you mean the cam chain inside the head, which is good to do but not strictly necessary unless it gets really bad).
If the belt: DO THE TIMING BELT NOW. They are good for 60,000, you are way overdue. When they break they will thrash your engine and you are looking at a full rebuild. I know. I had to do it last summer.
Although it was kind of fun actually so if you want to spend two months and a few grand fixing things in your garage....
Last edited by dhamilton; 01-02-2012 at 01:29 PM.
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