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#1
08-18-2004, 07:51 PM
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87 Gn turbo ~ Problem
Hey everyone, I have an 87 Sn 3.8 turbo~ Its running funny~ I have a Maf too low code~ when the car warms up and you put it in gear it will fall flat on its face... I tap the maf and it will go from 6kg to 22 to 255 to 3, stall stumble... I believe this is the problem... but at idle it seems as if its running on 4 cylinders~ can it also be in the ecu~ coil pack or ing module? thanks... Greg
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#2
08-19-2004, 04:00 PM
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Bad MAF sensor, If you have the money I would suggest a LS1 MAF and a translator. Berter metering of the fuel= better performance/fuel economy. As for the coil pak, yea it could be a sign but, with your MAF bad your car relies on the calpak to keep it running (Real rich fuel maps.) You could of fouled some plugs. I would reccomend getting your MAF situation figured out before you do anything. a bad MAF will make these cars do alll sorts of goofy crap.
Welcome to AF.  Always nice to see a GN owner
__________________
 Grand National. Going fast with class. Voted FASTEST street car on AF. Here is the proof!!! 1987 Buick Grand National. Back in action!!!! 1999 Ford F-250 Tow rig from hell 598 Ft-lbs. ASE Certified in... Mobile AC On Highway medium duty diesel engines. Off highwayy medium duty diesel engines. On highway trucks. Working on the eletronics certification Member ofA.A.N.B.C- Afer against non boosted crews #2
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#5
12-07-2004, 02:02 PM
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Certainly the mass air flow. If you have troble locating one you may try www.kirbanperformance.com
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1986 Buick T-Type  1987 Buick Turbo T 1987 Buick Grand National 1987 Buick Century Limited (My Faithful Driver)
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