98
questions

Replaced rotor, cap, wires, plugs, fuel filter on fender and MAF sensor.
Removed muffler and catalytic converter.
Also replaced the blown head gasket.
Any time the engine revs to 2750 rpm (moving or sitting still) it jerks yet up to that rpm it runs fine.

I replaced the ignition switch and the starter relay. I try to turn it over and it just clicks once from the ignition area in the cab. I also checked the clutch safety switch and it's good. I took the starter/selinoid off and had it tested, it's good. I can start the vehicle if I touch a wire straight from the selinoid to the battery, but that's a pain. Any help would be appreciated. Thank you.

Engine stumbles on acceleration. Using more fuel than normal. Recently replaced Throttle positioning senor because it was throwing a code. Help!

Checked mass air flow sensor and crank postion sensor and i have fuel pressure and spark. What next?

Why does my truck shake under the hood? Spark plugs? Not to rough but even when I rev the engine it slightly shakes and sounds like its putting

Will throw itself into neutral when it tries to shift to drive

Coolant leaking from front of transmission, does the tran have to be removed to access this plug, if there is a freeze plug located here, thank you !