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  #1  
Old 09-05-2009, 09:55 PM
Craiger Craiger is offline
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Default 1989 SHO Turns over but no spark-Help

I have a 1989 SHO Taurus that'll turn over but when you pull a plug wire to check for spark there isn't any spark. There is voltage to the coil pack. No lights on the dash flash any type of error code like other vehicles I've owned.
Sounds like the fuel pump is working, injectors are clicking away, collision switch in trunk does not need resetting. What else could it be?

Has anyone else had to deal with this issue?
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Old 09-05-2009, 11:30 PM
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Sounds like the typical symptoms of a bad crank position sensor.

Could also be the DIS or the coil pack if you are sure that you are getting fuel.
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Old 09-06-2009, 01:30 AM
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im looking into getiing a sho with the same problem. the guy said he put a new computer, coilpack and reset switch in trunk. I would next try dis then if thats not it maybe a bad connection somewhere?? who knows
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Old 09-06-2009, 01:58 AM
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Just because there's no flashing CE light doesn't mean there are no trouble codes either in memory or during a diagnostic test. Follow the directions at this link to run the KOEO (key on engine off) test (which will also give you any codes stored in memory.)

http://www.shophoenixproject.com/eec/eec.htm

This doesn't require any special code reader or even special tools, and it's always the first step in diagnosing SHO problems. When you pull codes, remember that your 89 SHO will only flash out 2-digit codes.

IIRC, if you get a code 14 that should indicate a CPS problem.
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Old 09-18-2009, 01:31 PM
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Default Code 59 Low speed fuel pressure

Came up with error 59??? low fuel pressure, but yet no spark at the plugs.
Does low fuel pressure have the effect of shutting off the spark?
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Old 09-18-2009, 03:38 PM
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Double check your DIS , wiggle wires , make sure all 4 bolts are tight.

Also check for the strap-wire that serves as a ground behind the intake (left side when facing motor , near firewall.)
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