Question about Ford F-150

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92 ford f150 4.9l engine light came on had oil and filter change spark plugs change radiator flush new water pump why won't the light die what can i do to cut it off

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It came on because doing what you did upset the program in the ECU. Not a problem. The putter should rest itself after several drive cycles. The ECU will memorize your driving patterns and then you go to Autozone or somewhere that will have a scan tool and who would be willing to erase all fault codes and turn the light off. If any faults still exist, the light will come back on in due time. Not to worry, it is more than likely something you change with all that work which the computer picked up as not the normal parameters it is used to runing under. Good Luck _N_

Posted on Apr 05, 2011

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IF YOU DISCONNECT THE BATTERY AND TURN THE LIGHTS ON . FOR 5 MINUETS .IT SHOULD CLEAR THE CODES. BUT IF YOU HAVE A HARD CODE IT WILL COME RIGHT BACK ON .SO YOU SHOULD RETRIEVE THE CODE FIRST . THEN CLEAR THEM WITH A SCANNER. YOU CAN HAVE THEM READ FOR FREE AT A PARTS STORE LIKE AUTO ZONE.THEN ASK TO CLEAR THE CODE.

Posted on Apr 05, 2011

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Long rest


OK, this is what the StreerRodders face all the time.

1) Pull all the plugs and get new ones ready.
2) Drain the Oil and replace with 10W-30 with new filter
3) Check the water level in the radiator - make sure up to level
4) Put several ounces of sea-foam down each cylinder
5) Hand crank engine over several times
6) Use starter motor to spin over motor several more times
7) Put Spark Plugs back in.
8) Make sure fuel in fuel tank is drained
9) Add new premium fuel - Use an air hose to clean the fuel line to the engine
10) Pump through new fuel by loosening the fuel line by engine and pumping a bunch through - hook back up tight.
11) Try starting engine -
12) If Carb engine use a bunch of carb cleaner in the carb before starting to clean out most or junk
13) Once engine is started monitor oil pressure and temperatures carefully - run for about 10 minutes
14) Stop
15) Drain Oil - replace filter again - put in new synthetic oil - recommend Amsoil 0-30W
16) Drain radiator and flush out -
17) Reset radiator fluid and top off.
18) check for leaks everywhere
19) Start again and drive carefully for 100 miles and you should be good to go.

Regards,

Doug

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