Question about 1985 Ford F 250

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I have an 85 ford 250 460 engine i changed battery,distributor,dura spark,cap&plugs wires ,everything possible,it will crank but i still have no spark could you please help?

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I would check the coil, also I would check to see if you have a bad timing chain? Are you getting 12 volts to the coil?

Posted on May 07, 2010

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I HAVE A 2000 CHEVY S10 4.3 ENGINE coil sparks but no spark from distributor. can the cam sensor cause this problem?


If you take coil wire loose from distributor cap and hold close to engine ground, engine cranking, does a spark jump? If it does, make sure rotor turns when you crank it. The pink wire at the coil goes hot with key on, that is primary voltage, use a test light, is it hot? That voltage comes from ecm fuse1--15 amp, check voltage with key on.
If sensor issue, my first thought would be the crank sensor. Just my opinion.
s10 ignition coil-o5ackhig0xzyenisedck4g1t-3-0.jpg

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Every time it starts raining truck starts missing and cutting out it's a 97 f 150 ford 4.6 motor.


Possibly a plug wire or cracked distributor cap. I'd take a spray bottle and while it's running (be careful not to get your body parts in danger of the fan) spray some water on the cap area. If everything seems fine, you could spray down each plug wire at a time. See if you find the culprit that way. For a vehicle so old, if you haven't done a tune up lately. It's probably a good time. Replace the distributor cap and rotor. Plugs and wires.

Mar 27, 2016 | Ford Cars & Trucks

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1989 chevys10blazer won't start turns over but won't start one mechanic said it jumped time another one said ignition. Coil or distributor cap put gas in carburetor but it still didn't start


Pull off a spark plug wire and ground it over the engine. Crank the engine over and see if there is any spark from the wire. Sounds as if there is no spark to light the fuel you are putting in the carb. If no spark, possible ignition module/pick up coil inside the distributor/defective distributor cap/rotor/ignition coil/ wiring

Dec 18, 2015 | Cars & Trucks

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94 Acura Integra wont Start


jump timing loosen distributor and plus or minus turn and retighten

Mar 09, 2013 | 1994 Acura Integra

3 Answers

No spark


First does the rotor turn when cranking engine?? possible timing chain is out or stripped gear..are you sure it has no spark??did you verify this with a high output spark tester ? did you spray starting fluid in the tbi unit ?

Mar 23, 2012 | 2000 Chevrolet Astro

2 Answers

Change my spark plugs and distrubutor cap and the 85 ranger want start


You may have got the spark plug wires out of sequence.
Reseat the coil wire going to the center of the distributor cap Check the spark plug wires at the distributor against the firing order as follows:
The spark plug firing order is 1 - 4 - 2 - 5 - 3 - 6 The distributor rotor turns CLOCKWISE The engine cylinders / spark plugs are numbered :
firewall 3 - 6 2 - 5 1 - 4 front
Best wishes,
TF

Jun 03, 2011 | 1985 Ford Ranger

2 Answers

1979 ford f350 has no spark. replaced coil, plugs, ignition module and still no spark. please help!


1979 ford 400 Drove inot shop did a cam shaft change and put all back together and no spark! put new coil , distributor, eletronic brian , wires ,rotor, cap, and check wire harness for brroken wires . still no spark? ANY IDEAS??

Jan 12, 2011 | 1979 Ford F 350

2 Answers

1984 Ford F150 turning over but not getting fire


Good battery, good starter. Leaves spark and fuel.
1. Remove 1 spark plug wire from a plug. Hold near engine block while someone "cranks" the engine.
- Spark (yes/no)
If yes, issue is fuel. If no, remove distributor cap and check for cracks. Also clean inside to remove rust and dirt. Besure that inside of distributor cap is reasonably clean and rust free. After that, reinstall cap.
Try to start engine. IF it is exactly same symptom.....
Check input voltage to coil (high voltage source for distributor). Is 12volts present? If not, troubleshoot wiring between battery source and coil. Be sure to include the fuse for "ignition" in fuse box.
If yes.....Confirm high voltage is present at center (input) wire to distributor (CAUTION:- 30,000 volts could be present... do NOT touch bare wire.) Use insulated plyers or similar to place this center wire near engine block to check for spark. Note that this voltage source is powered on as soon as the ignition key is in the "run" position.

Replace coil if no high voltage is coming out. Replace distributor cap and rotor if high voltage is coming in to it, but not leaving and getting to spark plugs.

-------------
Confirm fuel is getting to intake.
I spray starting fluid into intake while cranking engine. It will "fire" if all else is good.
If it "pops" or fires, then you have a fuel feed problem... between tank and intake manifold, shoot fuel filter, fuel pump and otherwise confirm that gas is moving to intake from gas tank.

Good luck.

Aug 08, 2010 | 1984 Ford F 150

2 Answers

1985 Ford Ranger will not start when damp and cool outside.


possibly distributor cap getting wet. Try this. When it's not starting, remove distributor cap and dry inside and outside with hair dryer on warm setting. See if it starts then. If yes, replace cap and rotor and make sure plug wires are clean.
If it still doesn't start, you may be getting mositure in a wire connector that operates spark to plugs.

Are you getting spark at plugs when it own't start?
Check by getting a spark plug and plugging a spark plug wire into it and grounding the side of the plug. crank engine and watch for spark at gap.

May 25, 2009 | 1985 Ford Ranger

4 Answers

'72 Ford F100 will not start...


i know what your problem is....its a ford!!!!

May 18, 2008 | 1985 Ford F350

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