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1990 Ford F-150 Questions

Get answers to questions about your 1990 Ford F-150 at RepairPal. Find solutions, diagnose problems and get back on the road.

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146
questions

Advance auto checked my alternator and battery. Told that alternator was bad so I purchased a new alternator. my battery then went dead so I purchased a new battery. When I went back to have the new alternator and battery checked I was told the new alternator was not charging the battery and that it could be an electrical problem. I changed the solenoid switch, voltage regulator and replaced the alternator again. Same problem alternator not charing the battery. I did noticed that the switch to starter cable had a melted burnt spot on it where the cable fits into it. Could this be my problem. Vehicle is 1984 Ford f-150 pickup 302 5.0 liter engine. Please help?

My truck runs great!that is once you get it started!I've replaced the fuel filter,air filter,plugs,wires and ignition coil,but that has'nt sovled the problem.Someone told me it might be the TFI module?anyone ever had this problem?

acts like it's not getting fuel?Changed fuel filter,air filter,plugs,wires,distributor cap,ignition coil and it still won't crank?Runs great once you get it started!Can't understand what the problem could be!!

It also stalls occasionally when idling. Is it likely the crankshaft position sensor or might it be something else?

I've recently had the ignition and carb serviced.

1984 ford f150 302 - 5.0 liter engine. Please tell me how to replace the distributor cap adapter. I"ve changed the distributor cap and rotor button before. Is this task just as simple? Is there a you tube link someone can send me please? thanks..

1984 ford f-150 carburetor started leaking gas caught on fire for about 30 seconds luckliy did not blow up.
Installed new carburetor intall went well but problem now is that truck starts up but will not stay crank. Changed ignition wires, spark plugs, distributor cap and rotor button 3 months before truck caught on fire. Plesse help.

I have a 1984 Ford F-150 Pickup Truck my rear brakes are locking up when it rains and when I pull off early in the morning. I"ve taken my truck to several places including Pep Boys and they all say they cannot find anything wrong with my brakes. Please help me?

fuel cell line was melted
and hose cut.

Its an '84 (not '90) F150. OK on short drives but beyond 20 mi. it begins pulling very hard to the left, shudders hard & won't go above 35-40mph; very hard to keep it steering straight. After stopping the front left wheel is very hot to the touch, a metallic smell from the wheel well and a loud, fast metallic 'tinging' sound that slows down as it cools. After a 1-2 hour stop its usually OK, not pulling left or shuddering for short drives home but comes back if needing to drive another +20 miles. The problem might be brought on by having to brake hard at higher speeds, but lately its happening even when I drive slower, downshift into stop lights, stay off freeways etc.

The coil isn't putting fire to the distributor. The test I ran told me it was the"pip" sensor mounted on the distributor. This is the 4th distributor and I have replaced almost every other part related to the system ( throttle position sensor,egr valve,fuel filter and pump,plugs and wires,alternator,coil etc..). What is goig on?????

This is the 4th new distributor, and all new related parts. New egr valve, throttle position sensor,fuel pump and filter,alternator,plugs and wires, and a few others. PLEASE HELP ME OUT

I buy a new battery new fuel pump then it did good but it started to do it again so I buy a new fuel filter thought it was getting good gas stuff but that didn't fix the problem

First off the truck is an 88 but there was no option for that. The problem... It was running fine then died while sitting. I had it towed home to work on it. I check for spark and no air blockage. I tested fuel pressure. So I changed the map sensor and the fuel filter. It will fire first try then die then you canfy get it to fire agian unless you let is sit for a few hours. What am I missing?