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Old 06-17-2008, 09:36   #1 (permalink)
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confused Check Engine Light just came on all of a sudden

I noticed that my gas guage is pegged past "F" despite the
fact I have 108 miles on my trip odometer and last filled up
over 2 weeks ago.

Could a bad gas gauge needle cause the check engine light
to come on? I already spent almost $1,000 at the beginning
of the year for a new fuel pump, I hope I don't have to do
it again.

Its a 2003 Ranger XLT Super Cab
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Old 06-17-2008, 10:56   #2 (permalink)
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Re: Check Engine Light just came on all of a sudden

I have a Taurus that did the same thing. Turned out to be the flex fuel module under the dash. If your ranger is flex fuel, I would have that checked. The part is around $45 USD
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Old 06-22-2008, 05:16   #3 (permalink)
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Re: Check Engine Light just came on all of a sudden

I's probably two separate issues, maybe both related to deposits in the system. Run a tank with Chevron Techron. (don't dilute too much - the Ranger has a big tank)
It cleans up many problems and normally pays for itself easily in reduced consumption.
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Old 06-30-2008, 20:41   #4 (permalink)
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Re: Check Engine Light just came on all of a sudden

I took it to Pep Boys after it occurred, come to find out that on the back of the instrument cluster that houses the gas and temp gauge, there are 4 prongs on the back of each, one was broken off of both guages and that is what was the cause of it. $81 to order the cluster from Ford in Detroit, fixed the needle problem, but the Check Engine light is still on and they don't know why. I have to take it back tomorrow for them to run another diagnostic and fix the speedometer and the RPM needle.

One big f'ing headache after another that I did not need right now.

Thanks for the tips.
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Old 07-02-2008, 16:04   #5 (permalink)
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Re: Check Engine Light just came on all of a sudden

Got the truck back yesterday (07/01/2008) afternoon from Pep Boys. After having replaced the instrument cluster, the Check Engine light was still on, they rechecked it yesterday morning and the code that came up was: P1000 OBD Systems Readiness Test Not Complete
They reset it and said if it comes back on in a week to comeback and they would recheck it. What does this code mean?

Many thanks again for the help and suggestions.
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