Originally Posted by dawson1112
The only way I know of for fuel to enter the throttle body is through the fuel pressure regulator. If it is bad it will let fuel leak past into the intake. Pull the vacuum line off of the FPR and if it is wet with fuel then it needs replaced.
The popping is from having an excess amount of unburnt fuel in the exhaust.
I'm gonna check this tomorrow... But a bad FPR will result in an excess amount of unburnt fuel in exhaust or the problems aren't related?