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I have a 98 1.9tdi 110 bhp which occasionally looses power under hard acceleration. If the car is stopped and the engine turned off the problem usually goes away. I have looked for faults with VAG-COM but the car does not report any.
Is this an MAF problem? or a breaking up cat? I think the cat still is in good condition as the car has just passed its MOT.

Any help more than welcome.

Many thanks

Alistair
 

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Have you tried the air mass metre which is located next to the air filter they cause power surges when then they go wrong. You can get these from some copy factors now at half the Audi price.
Good luck. :57:
 

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checked maf,
changed cat (new)
recon'd injectors..

i think someting to do with temperature of car as it fluctuates between 77 and 85..

the fan is constantly spinning, is this right...
 
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