got fuel and spark but wont run all does is wanna fire

170

Asked by Dec 04, 2012 at 07:03 PM about the 1985 Ford F-150

Question type: Maintenance & Repair

85 f150 turns over and fires but wont run

18 Answers

820

need to know a little more is it a 6 or 8 and have you done anything yet or did this just start all of a sudden

9 of 9 people found this helpful.
820

check moduel on dist

4 of 4 people found this helpful.
170

it got a 5.0 changed coil made improvement still not running if the chip on dist goes dont u lose all spark wont fire at all

2 of 2 people found this helpful.
820

not really you could take out and have parts store check to see if it's still good. usually don't charge to check it out

1 of 1 people found this helpful.
170

put a new moduel in and still doin same thing got new coil new fuel pressure reg both pumps working there any other sensors dat could be giving me havoc lol

9 of 9 people found this helpful.
170

could the timing b the problem i it jumped time

5 of 5 people found this helpful.
820

it could might want to check the dist gear first. ps if it jumped most likely would turn over faster than normal.

1 of 1 people found this helpful.
820

ps i forgot to ask are all your wires on your starter solenoid connected

170

k thanks me gonna put number 1 cycl on top and c if the rotor pointed to num 1 if dat ok then me have pull dist check da gear

170

yep checked all wires and fusible links

820

then it has to be either brain or ignition switch[ the electrical ignition switch] on colume. but most likely brain [not cheap]

3 of 3 people found this helpful.
93,025

Have you tried a little starting fluid in the intake to see if it will and run for a bit on that? If it will then you have a fuel delivery problem, injectors or no injector pulse, check injector fuse, if won't run then you have either an ignition or compression problems. Check your spark plugs for proper gap and heat range also my want to run a dry then wet compression test.

2 of 2 people found this helpful.
20

i chek everyting you guy tell me but dont run and the two injector wire got power when i move the dist the fuel pump run this truk got me sick

2 of 2 people found this helpful.
40

Did you ever figure this out mines doing the exact same thing.everything's working like it should enjectors have power just not fireing the enjectors

4 of 4 people found this helpful.
30

My truck is too I have a 93 F150 5.8 I change spark plug wires spark plugs the computer I tried adding gas into the intake I've tried firing orders 13726548 and 15426378 and still will not

1 of 1 people found this helpful.
30

I got my truck runing, time was off a lot

2 of 2 people found this helpful.
50

Did anyone figure this out? I am working on a 93 ford f150 4.9L. Fuel pump works. Good pressure. All cylinders are getting spark. Great compression. Plenty of air. Rotor turns. Its timed right. And it will not start! Even using starting fluid! Any ideas? Please!

3 of 3 people found this helpful.
50

Well... this forum sucks! Thanks for nothing! But just so ya know the exhaust was plugged and fouled or burnt the plugs. So after unplugging the exhaust and doing a tune up on it runs!

1 of 1 people found this helpful.

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