|
Re: 97 tahoe backfires when cranking, no start
it is a vortec model. i tested the fuel pressure and at key on it went to 65psi and bled off to 0 fast. at cranking it is fine but when you stop it bleed to 0 fast. i pulled # 1 plug and it is fuel fouled. as i had the #1 plug wire off and was cranking it was cranking fine with no backfire from intake. put on plugwire and it started to backfire from intake again going to put a new cap and rotor on and new plugs also. any suggestion on the fuel leak down ty
|