Need Help, Car Running Rough

[stugots]

Was running fine, and all of sudden at 35-40 mph it stumbles flat on its face.Cant even get mph higher than that.L8 was at 250 and TPS was at 1.58 when the car was running bad.Pluged the plugs and there all foulded out with black carbon.FP is set at 43psi.

 

[garyk1970]

Maf?

unplug you maf,then start car and see if it runs better.still wont drive well,but you will be able to tell instantally if its your problem.maf will go bad with no engine codes.
HTH, Gary.

 

[stugots]

OK thanks