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1998 with hestation problems
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Old 18 Oct 2012, 05:06 PM   #1 (permalink)
Young Scooby
 
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1998 with hestation problems

hi guys

ive got a small problem with my car its seems to miss and hesitate if i use full throttle??? and seems a little under performing above 5k like a missfire but sublte its not boost cut as ive had that probem before has any one else had similer problems?? if i use half throttle it seems to be fine ?!?!?!? any help is greatly appriciated
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Old 18 Oct 2012, 07:25 PM   #2 (permalink)
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Re: 1998 with hestation problems

Mine had a similar problem and it turned out to be a boost leak
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Old 18 Oct 2012, 08:00 PM   #3 (permalink)
Young Scooby
 
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Re: 1998 with hestation problems

ive checked the whole engine over only to fint the locknut on my manual fuel regulator had come loose!!! i was running almost 4 bar fuel pressure ive set it back down and used some thread locker on the nut checked the plugs the look past it so will change them tomo and leads to as ive no idea if they have ever been done.
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Old 21 Oct 2012, 08:10 PM   #4 (permalink)
Young Scooby
 
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Re: 1998 with hestation problems

Ok problem still there changed plugs and leads I've checked all hose clips for boost leaks I'm almost sure it's the air flow meter car runs fine at half throttle revs right up to redline does not miss a beat it just seems to hold back ?
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Old 21 Oct 2012, 08:44 PM   #5 (permalink)
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Re: 1998 with hestation problems

when was the fuel filter last changed?
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Old 21 Oct 2012, 08:46 PM   #6 (permalink)
Young Scooby
 
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Re: 1998 with hestation problems

Yesterday bud I also put some redex in and I also fitted a 255 walbro last week
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Old 22 Oct 2012, 07:51 PM   #7 (permalink)
Young Scooby
 
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Re: 1998 with hestation problems

Anyone nr Chippenham in Wiltshire with a spare purple label maf ?
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Old 24 Oct 2012, 07:34 PM   #8 (permalink)
Young Scooby
 
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Re: 1998 with hestation problems

borrowed one no joy going to try a reset on the ecu is the a guide to do this ?
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Old 24 Oct 2012, 08:28 PM   #9 (permalink)
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Re: 1998 with hestation problems

try this >> Scoobypedia | Trusted knowledge for everything Subaru | Knowledge / ECU Reset
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Old 24 Oct 2012, 08:33 PM   #10 (permalink)
Young Scooby
 
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Re: 1998 with hestation problems

nice one will give that a go tomo running out of ideas as to why y car keeps doing this
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