Hi guys
I'm looking at getting another impreza, the one I'm looking at stutters a bit on load and holds back a little apparently it pops out flames every now and then, it has a full Decat system updated fuel pump and
The owner assures me this is due to over fueling caused by the air fuel adjuster in side the car but he hasn't touched it in the six months he has owned it.
Does this sound like overfuelling to you guys?

Thanks
Rob

 

yes but in fairness had mine mapped and it still flames and bangs like a good un'

 

so the stuttering and holding back could be tps/airflow/plugs/coil/lead/o2/vac leak related
lol

 

oh yes, defo i know my00 cars are common with afm's so could be that?

 

ok, I was starting to think I was getting a problem car, but looks like its just gona be a process of elimination.

funfun
lol

 

i have a 98 turbo, with tubular manifold, and a complete stainless system on, also uprated fuel pump.. mine stutters, esp when on motor way doin about 75 and when on steady throttle... it feels like its lurching.. not too bad, but its there... i got told it was either because i have an hks mushroom filter, which sends the mav wappy, or could be the uprated exh manifold... its holding back pressure, long enough to supply the turbo with maximum boost.... a quick fix would be to fit standard air filter box, woth sports filter, as the airbox contains an inlet with is designed to let the air in smoothly... i'm just leaving mine as it is cos it runs fine

 

Thus one while your accelerating you can feel it kinda hold back a bit, as if 1 or more cylinders aren't firing, but it doest accelerate through the stuttering, also it does it more when cold!

 

Has he changed the dump-valve? Try going back to a stock recirculating one. The VTA ones cause overfuelling.

I'd NOT touch a car like that, the borewash is probably killing it and knackering the oil too.

 

well ive only put a deposit down, so hmm not sure what to do really?