Jordanlee152
New Member
- Joined
- Feb 27, 2014
I have a 85 grand national that I purchased recently and when I got the car it ran but just rough so I went thru and done a full tune up, plugs, wires, fuel filter all new seals and gaskets new tps and replaced all vacuum lines also. I set the iac and the tps correctly and the car idles and runs great, it
dose fine Driving easy but as soon as it's at WOT it starts to stumble and I need to know where to start looking for my problem?? Fuel? Spark? I haven't upgraded to a 86-87 ignition control module, and still factory 85 Ecu, I'm planning on doing those thing just would like to know where to start first.
dose fine Driving easy but as soon as it's at WOT it starts to stumble and I need to know where to start looking for my problem?? Fuel? Spark? I haven't upgraded to a 86-87 ignition control module, and still factory 85 Ecu, I'm planning on doing those thing just would like to know where to start first.
