Question about 1991 Ford F150

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Changfed dist.cap button wires it tried to crank the just turns over no firering

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I suggest it may be a bad ignition module or a faulty hall effect switch. I'd check the module first but it requires a special socket which you can get at any parts store. Many stores can also test it there such as Advance or AutoZone.

Posted on Jul 18, 2008

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1 Answer

No spark when cranking over


check coil wire corrosion at coil terminal. if ok, check for power to coil with key in run position. if coil wire removed from coil, and engine is cranked, does it arch to ground? if does, check dist. cap. coil button, on center of cap could be burnt/gone. check for moisture in cap.

Feb 14, 2013 | 1994 Jeep Grand Cherokee

1 Answer

I replaced cap rotar and dist. now it cranks over but will not fire and is back firing


the timing is off a bit! heres how I do it. remove the number 1 plug, stick a straw or similar in plug hole. turn engine over by the crank shaft with a wrench. when piston gets to very top of bore, just before it goes down. this is tdc. remove distributor cap and remove distributor reposition the distributor rotor button facing number 1 plug wire inside cap. replace cap and try it! please let me know if this works for you. good-day ! if you can not get to number 1 plug. just turn the crank to tdc marks are on damper pully or crank. is this a 5.7,

Apr 08, 2012 | 1997 GMC Yukon

1 Answer

I have a 92 wrangler 4.0it has NO spark!changed coil,dist,wire,crank sensor and finally replaced wiring harness.still no spark.this has been going on for 4frigin mnths.ive replaced all i can think of


take the dist. cap off and make sure it is turning when the motor turns over if not the dist. drive is bad also I think not for sure it has a cam sensor also

Jan 09, 2012 | 1992 Jeep Wrangler

2 Answers

Took distributer out and changed dist rotor and dist cap. Put ne spark plugs and wires. Now wont start and backfires while trying to start.


You have the Engine Out Of Time you will have to bring number 1 cylinder to Top dead center do this by turning the Crank bolt Clockwise Have the valve cover off so you can watch the Intake and Exhaust Valve`s open and close as number one piston comes up on a firing stroke make sure you have the number one cylinder coming up on a firing stroke. Watch Intake valve open and close as you turn the Crank.when pisten gets dead top of this STROKE DROP THE DISTRIBUTER; Start the Firing Order right where the Rotery Button is inside the Distributer cap

Aug 28, 2011 | 1999 Chevrolet Blazer

5 Answers

Truck wont crank. we have put new distributor cap, rotor button, coil pack, plugs, wires, and fuel pump. we also checked our firing order.


you said you repl dist cap that means you don't have a crank sensor you have electronic ing module. remove your elec ing module have it tested most auto parts stores could test your module, or check your coil at the neg terminal. should have power. if not you lost your primary volt from your batt.your secondary power is coming from your electronic ing module from the module to the pos terminal on the coil, when the eng cranks,from the coil to the dist cap , from the dist cap center to the rotor then out to the plugs,this all happen pervided the timing belt or timing chain is ok. the cumbustion chainber needs 3 things , thats fuel, air, and spark.

Apr 17, 2011 | 1996 Chevrolet K1500

1 Answer

Need to know what position the dist. sits inside the engine.what angle does the vacume port face


as long as u install dist. with room to turn or adjust timing, it doesnt matter. install dist have some crank engine with cap off. watch which direction rotor turns. then start firing order with no. 1 wire at rotor and work around cap in the direction of dist rotation

Jan 09, 2010 | 1986 Ford F 250

1 Answer

NO SPARK FROM PLUGS


REMOVE DIST. CAP AND CRANK ENGINE SEE IF ROTOR TURN IF IT NOT, CHECK TIMING BELT, IF IT TURNS CHECK FOR SPARK ON DIST. CAP WHERE COIL WIRE GOES IF SPARK CHANGE OUT SPARK PLUG WIRES.IF NO SPARK CHECK IGNITION COIL AND PICK UP COIL.

Nov 05, 2009 | 1992 Volkswagen Passat

1 Answer

1990 K5 Blazer DIED(Electrical?)?


There may be no injector pulse if the computor does not see a RPM signal.
There will be no spark if the ignition module does not see a dist pulse from the dist pickup.......a RPM signal.
Because you do not have both ......I would suggest to check/change the dist pick up.
Follow the wires from the ignition module inside the dist to the pickup which is also inside the dist.
If it is just a bad dist pickup....keep all your old parts as good spares.
Also...is the dist turning? to provide a RPM signal?
You will have to remove the dist to change the pick-up.....mark your timing locations......"rotor position" and "dist body location"before removal.
A quick test before installing the "repaired dist" .....plug it in the the truck wiring and turn on the key....DO NOT CRANK THE ENGINE OR YOU WILL LOSE YOUR DIST ROTOR CORRECT POSITION......as you spin the dist by hand .....the injectors should spray.

Aug 23, 2009 | 1989 Chevrolet S-10 Blazer

1 Answer

Truck tries startingI have a 1990 Ford F150...won't start. I have fire to the top of the distributor and to the button on the bottom side of the dist, cap but when i put it all back together I get no


i doubt it's in the column... check the wires on your starter again, if they rattled loose and are touching they will crank the starter

May 30, 2009 | 1990 Ford F150

1 Answer

98 5.7L chevrolet


Engines don't jump time when they are not running.

Rotor will point to number 1 plug wire with every other rotation of the crank.

Get an auto repair manual to confirm you have plug wires in right order on distributor cap.

Also suggest finding Factory Service Manuals at library to get troubleshooting charts and diagnostics.

Feb 01, 2009 | 1998 Chevrolet C1500

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