boost
20 July 2012, 11:09 PM
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hi looking for help i have 1994 import.car has z4 ecu,polar performance chip,de cat,tdo5 turbo and walbro pump,the car runs ok in slow driving around town but when you open it up car tends to cut out and in when its getting boost the rev gauge goes nuts and cat light comes on ond off can anyone help no trouble codes.
o also what kind of power will it be putting out as the last owner said it was over 300bhp but nothing to back this up
o also what kind of power will it be putting out as the last owner said it was over 300bhp but nothing to back this up
21 July 2012, 09:50 AM
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it feels as the car gets no fuel for a split second then picks back up the car runs ok when the turbo hasnt kicked in.also have just changed the fuel pump to a walbro do i need to do anything to the pressure or is it a straight swap over.
21 July 2012, 09:56 PM
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Clean the idle control solenoid out
Walbro is a straight swap over
Your plugs ok? Have you checked your coil packs? Maf ok?
Have you checked for any fault codes?
Coil pack issues normally causing jerkiness/hesitation when higher in the revs due to not producing a big enough power spark for the plugs.
To check fault codes look for jolly green monsters website he has a list of codes and how to do it.
Oh and ive always found that polar porfermance chip in my last scoob and this one soon clogs plugs up if its not ran properley or if you do small journeys. So plugs could do with changing if you have not done that yet. Get ngkpfr6b or ngkpfr7b if you want a cooler graded plug. I find pfr6b work better for me as i do more shoert journeys. Upto you though.
Walbro is a straight swap over
Your plugs ok? Have you checked your coil packs? Maf ok?
Have you checked for any fault codes?
Coil pack issues normally causing jerkiness/hesitation when higher in the revs due to not producing a big enough power spark for the plugs.
To check fault codes look for jolly green monsters website he has a list of codes and how to do it.
Oh and ive always found that polar porfermance chip in my last scoob and this one soon clogs plugs up if its not ran properley or if you do small journeys. So plugs could do with changing if you have not done that yet. Get ngkpfr6b or ngkpfr7b if you want a cooler graded plug. I find pfr6b work better for me as i do more shoert journeys. Upto you though.
Last edited by timmyajmy93wrx; 21 July 2012 at 10:12 PM.
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22 July 2012, 11:48 PM
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hi thanks guys will try the plugs as i have a new set here to go in has a induction kit on but a cheap homemade job so just going to put back to original.have cleaned the solanoid valve out b4 can you turn the boost down at the valve as the car boosts up to 1.6 thanks
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