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#1 |
Registered Member
Join Date: Nov 2001
Location: Mission Viejo,Ca
Posts: 37
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![]() The car runs strong up to around 3500 rpm then it starts going flat. My fuel pressure is good. The fuel filter was changed less than a year ago. I have test for vaccum leaks and exhaust restrictions witha vaccum gauge and everthing is fine. I have replaced the coil,plugs a few times,plug wires,distributor cap and rotor. The car runs great at low rpm's. The timing is set at 12'. Could a have a bad cat even though when I tested for restrictions, the vaccum gauge went up when revving up to 2000rpm and held there? I have checked for codes and got a code 91 which was caused by faulty left 02 sensor harness,which was replaced along with that 02. I reset the computer already.
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89gt,3.27's,Auburn,tremec 3550,Steeda tri-ax,aluminum driveshaft,Asp underdrives,Flowmast er 3 chamber,March ram air,130 amp alternator,Koni yellow struts,Kyb shocks,Pirelli p-6000's,MM's lower control arms and full length subs |
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