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

780

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 out of 9 people think this is helpful.
780

check moduel on dist

4 out of 4 people think this is 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 out of 2 people think this is helpful.
780

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 out of 1 people think this is 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 out of 9 people think this is helpful.
170

could the timing b the problem i it jumped time

5 out of 5 people think this is helpful.
780

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

1 out of 1 people think this is helpful.
780

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

780

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

3 out of 3 people think this is helpful.
89,055

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 out of 2 people think this is 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 out of 2 people think this is 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 out of 4 people think this is 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 out of 1 people think this is helpful.
30

I got my truck runing, time was off a lot

2 out of 2 people think this is 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 out of 3 people think this is 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 out of 1 people think this is helpful.

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