Question about Ford F-250

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I have a 2000 ford f250 with a triton v10 4x4 . my check engine light stays on and my overdrive light flashes some times

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The Check Engine light is trying to tell you that there is a malfunction in your engine control system and that you need to get it scanned for fault codes and diagnosed accordingly. There are probably 100 or more possible malfunctions that could be causing light to come on, so nobody can tell you anything for sure until it is scanned. The overdrive light flashing is trying to tell you that there is a fault in your transmission control system. The same applies here. Without codes, nobody can tell you how to fix it.

There is a chance that one problem is causing both lights to cme on. The computers on your vehicle share sensor information for certain things. If there is a problem with a sensor circuit that is one of these shared inputs, then it will cause both lights to come on. There could also be a shared ground or power circuit causing this. I have seen bad ignition coils in Ford trucks wreak havoc with ALL of the computers and modules at the same time. In these cases, replacing a single ignition coil fixed several codes in several modules.

Posted on May 23, 2011

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CHECK ENGINE LIGHT COMES ON OVERDRIVE LIGHT FLASES, AND THE MOTOR CUTS OUT, LET OFF THE THROTTLE AND THE ENGINE RPMS COME BACK, AFTER AWHILE THE CHECK ENGINE LIGHT GOES OFF AS WELL AS THE FLASHING...


the flashing and check engine lite is indicating a code has been set in the computer. have it plugged into and see what the code is and repair the problem associated with that code. hope this helps

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Had the same exact issues with my 2000 Diesel. Windshield seal was no good, water was getting to electronics. I replaced the windshield and all the problems stopped.

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Get the codes that were saved when the "engine light" came on and post them here. (You can get them retrieved for free from Auto Zone).

I'm going to take real *wild* guess that somehow that rough spot you hit actually impacted the oxygen sensor and disconnected it or damaged it.

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Check you speed sensor on the transmission, Overdrive wont work without speed sensor, nor will ABS, or Speedometer.. it all boils down to a speed sensor.

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