Having problems with your 1995 Ford F150 Styleside Regular Cab ?
Truck is boging and back fireing will not down shift ..replaced mass,adl air egr egr cent. full tun up im at whites end. when ac is on it stutters down and lops like it has a big cam. this all happens at hiway speed and at red lights when eng is cool it dose fine just had a emsh check and passed if i mash the gas all the way to the floor it cleens up and runs great for a mile are two could this be my throttle censer? 95 ford f150 5.0 literr auto trans
It sounds like the coil is breaking down under load. Try doing a fuel pressure test. If you have an exhaust back pressure tester, would try that first. The CAT maybe clogged. If you don't have a tester, you can drop the Y-pipe and see if it runs better in the drive way. If it does then the cat is bad. If does the same thing, then try a coil. Let us know how it goes.
Your alternator or ac compressor might be getting worn, and not turning as free as it should when engaged. Crankshaft warping also presents this issue somewhat but its an all the time rough run thing. does not sound like a throttle sensor, but a crankshaft positioning sensor if equipped.
Repair Help & Product Troubleshooting for 1995 Ford F150 Styleside Regular Cab
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