Question about 1999 Ford Ranger SuperCab
Turns over. no fuel. no spark. changed crankshaft sensor. changed camshaft sensor. changed coil. changed pcm and fuel relays. checked all fuses. checked fuel pump shut off relay.
If that was my vehicle I would not have changed one part
I would have gotten out my wiring diagrams & walked thru a
logical sequence of testing what I had & didn't have, as far
as crank sensor output,fuel pressure,injector pulse,etc
Seeing a how pcm's seldom fail ,your just throwing parts at it
& not testing a thing
You need the wiring diagrams to see & learn how the various
You can actually trigger injectors,coils,relays,etc if you can
use diagrams, test light,meter & jumper wires properly,otherwise
you need professional help
Posted on Jan 08, 2013
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Posted on Jan 02, 2017
go to www.motorcraftservice.com then click on the owner guide and put in your truck information
then choose the 1st owner manual printing and should be between page # 184 to 200.
Good luck and I hope this will awnser your question.
Posted on Nov 08, 2008
I understand that there is a relay box under the hood with 3 relays. Which is which I don't know. However if you are blowing the fuse TO the ecc relay, then the relay must be bad. This relay controls the spark.
Posted on Jul 25, 2009
fuel pressure regulator could hav failed-located by engine or the ignition module may not be workin-by dist area try not to be a parts replacer-buy a repair book
Posted on Jan 09, 2010
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