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86 Ford ranger not firing
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Barb
New User
Nov 21, 2006, 4:39 PM
Post #1 of 2
(3048 views)
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86 Ford ranger not firing
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the battery checked 12.02 volts and the harness to the coil checked 11.75 volts. With the motor ginning it checked 9.5 at the coil. The demand wire from the module on the distributor to the coil shows continuity. Coil is new, wires and distributor cap, rotor button and module on back of distributor is new. When checked with a code reader the primary code was 21. The engine is a 2.9 L EFI 1986 Ranger. There is no fire at a test plug. Any suggestions?
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way2old
Veteran
/ Moderator
Nov 21, 2006, 4:56 PM
Post #2 of 2
(3043 views)
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Re: 86 Ford ranger not firing
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The code 21 is for the coolant temperature sensor. It may cause a no start, but it will not cause a no spark unless it is shorted too.
Being way2old is why I need help from younger minds
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