1996 Ford Taurus No Start No Spark

1996 FORD TAURUS

LEN1

MEMBER
2 POSTS

hard to start one evening. no problems prior to this night. anyhow, we drove it home. next morning car would turn over but no start. found that coil pack not sparking there is power to plug connected to coil pack, replaced coil pack today still no spark. fuel pump o.k. plenty of pressure at rail. i was told that the crank sensor may be the problem please help still no power coming thru coil pack

Nov 15, 2006 at 10:47 AM

BACKYARDMECHANIC

✓Experienced Mechanic
337 POSTS

Dear Len,
The crankshaft senor could very well be the problem. You replaced the coil, ( old one probably still good) have fuel and have power to the coil. This leaves me to believe the crank senor is bad. First visually check the senor and tigger wheel for damage. Second check with a volt meter the voltage at the harness with the key on. It should be between 0.8 to 2.2 (approx). If the above checks out it's probably the senor. Good luck :o
Backyardmechanic

Nov 17, 2006 at 6:06 AM

LEN1

MEMBER
2 POSTS

thanks a million for your advice. i found the crankshaft sensor wiring harness bad. the wiring shield had come apart inside the protective loom. i was getting no reading when itested it. now the only problem i have is finding the plug and or the wiring harness to fix it. i temp fixed it for now. the car is running. is ford the only ones who can supply the harness? thank you backyardmechanic you were dead on the money.

Nov 19, 2006 at 1:15 AM

BACKYARDMECHANIC

✓Experienced Mechanic
337 POSTS

Dear Len,
Glad you found the problem and the car is now running. Unfortunately the only place to buy the harness is from Ford unless you can find a junkyard that may have one.
Happy hunting and Good luck BYM :D

Nov 19, 2006 at 1:45 AM

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Suggested Repair

Repair or replace the damaged crankshaft position sensor wiring harness. The shield had separated inside the loom and produced no sensor reading. A temporary repair restored spark and starting. A replacement harness is typically available from a Ford dealer or a salvage yard. Also inspect the sensor and trigger wheel, and confirm key-on harness voltage is roughly 0.8 to 2.2 volts.

Conversation Summary

A 1996 Ford Taurus became hard to start, then cranked with no start the next morning. The coil pack had power but no spark, and fuel pressure was good. Replacing the coil pack did not restore spark. The expert suspected the crankshaft sensor and advised checking the sensor, trigger wheel, and harness voltage. The owner found the crankshaft sensor harness shield had come apart inside the loom, causing no reading. A temporary repair got the car running, and the expert said a replacement harness would come from Ford or a junkyard.

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1996 Ford Taurus No Start No Spark

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