Strange problem, revs going up and down and engine cutting out while driving!!

S

silverswish

Black 1997 Audi A3 1.6
Joined
Feb 7, 2010
Messages
63
Reaction score
0
Points
6
For the past two weeks my car has developed a major problem. While driving, the engine will rev to 4k from 2k, back down to 1k and sometimes it stalls. It's not a small drop in revs but a major drop that causes the car to jerk. The car will even stall and randomly start a split second after!

Any ideas guys?
 
Get it checked on vag com for fault codes. Id suggest checking the pipes under the inlet manifold and give your throttle body a clean and reset it. Hope this helps.
 
Defo sounds like a piping issue in the engine bay.
 
This thread has jinxed me :( my car has just cut out at low revs. First thing im going to do is clean my throttle body.
 
This thread has jinxed me :( my car has just cut out at low revs. First thing im going to do is clean my throttle body since i know my pipes are all fine.
 
Let us know how you get on dude!!
 
Ok the car has now started backfiring, like a huge pop/bang when driving, what is going on??
 
Sounds alot like your MAF to me. Try disconnecting it and if if there's any difference. If theres not then it deffinatly if the MAF.

The backfiring may be caused by a faulty MAF sending too much fuel through the system.
 
L33h said:
Sounds alot like your MAF to me. Try disconnecting it and if if there's any difference. If theres not then it deffinatly if the MAF.

The backfiring may be caused by a faulty MAF sending too much fuel through the system.
Click to expand...

Definitely not the MAF, I disconnected it and the engine struggles to stay running.

Any more ideas? I haven't had the car serviced in ages which doesn't help. Spark plugs haven't been changed for at least 17,000 miles??
 
The car will not run with the maf disconnected. Sounds like a similar problem I had on another car which turned out to be faulty maf's.
 
IrishDave said:
The car will not run with the maf disconnected. Sounds like a similar problem I had on another car which turned out to be faulty maf's.
Click to expand...

But surely me disconnecting the maf and the engine struggling more so than when it's connected means that it is not the maf?
 
Yes if its worse or the same with the MAF disconnected then its NOT the MAF. The car should run fine with it disconnected
 
AndyMac said:
Yes if its worse or the same with the MAF disconnected then its NOT the MAF. The car should run fine with it disconnected
Click to expand...

Maybe it's the head gasket? Started to lose some coolant too and slight mayonnaise on the oil cap.
 
You must log in or register to reply here.

Similar threads

I
Revs dropping and cutting out
Replies
7
Views
2K
steve bain
S
Andrew@A.L.D
Revs dropping and cutting out
Replies
8
Views
1K
Sandip
Sandip
pazaz
ESP and EPC Light Staying On And Engine Revs Up & Down??
Replies
3
Views
4K
sportstractor
S
G
"hunting" revs? Sometimes engine revs up and down a couple hundred rpm.
Replies
10
Views
5K
Dave TK
D
F
missing and cutting out
Replies
5
Views
705
finny_quattro
F
Top
Back