1996 wrx v-limited hesitating in 3rd 4th 5gear dropping boost
19 September 2011, 09:10 PM
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1996 wrx v-limited hesitating in 3rd 4th 5gear dropping boost
hi thought id give this a try and see if anyone can give me some info,ive got a 1996 wrx v-limited
the problme im having seems to be when the cars been running for a while and you floor it in 3rd gear it seems to go to 80mph then starts holding back and the boost gauge goes crazy going up and down,and if you put it in 4th gear it just starts spluttering and same in 5th,but seems to be ok in 1st and 2nd gear.
i thought maybe crap fuel but ive ran the tank down and filled it up with v-power and its still the same.
any info would be much appriciated cause its driving me crazy
its got a td05 16g turbo
hks filter
dump valve
full s/s exhaust
any info would be great,cheers
the problme im having seems to be when the cars been running for a while and you floor it in 3rd gear it seems to go to 80mph then starts holding back and the boost gauge goes crazy going up and down,and if you put it in 4th gear it just starts spluttering and same in 5th,but seems to be ok in 1st and 2nd gear.
i thought maybe crap fuel but ive ran the tank down and filled it up with v-power and its still the same.
any info would be much appriciated cause its driving me crazy
its got a td05 16g turbo
hks filter
dump valve
full s/s exhaust
any info would be great,cheers
19 September 2011, 09:30 PM
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Hey mate, My buddy had the same on weekend and it was found to be a dodgy coil pack. Was fine on normal driving, but then when under load it would run like poo. It was also an intermitant fault just to be more frustrating .......
Check plugs first then coils.
Good luck matey
Check plugs first then coils.
Good luck matey
19 September 2011, 11:49 PM
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Sounds like your overboosting and the ecu is trying to compensate.
What other mods do you have (mapped etc?) and I would give the boost solenoid a clean out.
You also wont get overboosting in 1st and 2nd as you dont get full boost in those 2 gears
Tony
What other mods do you have (mapped etc?) and I would give the boost solenoid a clean out.
You also wont get overboosting in 1st and 2nd as you dont get full boost in those 2 gears
Tony
20 September 2011, 09:38 AM
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apparently it has been mapped but just going with what previous owner told me.but i will clean that soenoid out and see what happens,im also going to change plugs and etcthanks for the info
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20 September 2011, 07:58 PM
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Overboosting is like a fluctuation, on off on off etc, its where you hit the ecu set boost cut, can be caused by a few things, modifying a car thats been mapped but not remapped for those mods can cause it, the boost solenoid is normally the big culprit though, gets clogged up so a good clean can sort it out, after that its pipes etc for splits which can also cause it.
Tony
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