Having problems with your 1996 GMC Savana ?

Have a code p0304 please help on a 5.7eng g1500 savana van 1996

Posted / edited by AnonymousUser on : 14-09-2020

Answers :

The code that you are receiving is the second cylinder on the passenger side, in otherwords the second spark plug from the front of the motor to the rear.it is not firing properly. now you have to figure out if it is the spark plug or wires or injectors, replace the plugs and wires first, if that doesn't fix than you may need to replace the injetor on number 4 cylinder.
Repair Help & Product Troubleshooting for 1996 GMC Savana

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