Question about 2004 Ford F150
I have a 2004 F150 with v8 engine and keep getting a message ''Link error. Try again.'' The OBD2 says this. Also check engine light keeps flashing....Not sure what this means...does anybody?
Have this checked with another scan tool. Link error is produced when the PCM fails to respond to the scan tool. More times than not this is the PCM failing.
Posted on Jan 23, 2010
Try replacing the cigar lighter fuse ( Fuse #41 ) this is for the cigar lighter and the OBD port power. Without power from the vehicle, a scanner will give similar messages.
The flashing CEL is usually an indication of a misfire in process, best to confirm after replacing the fuse. If the fuse blows again, check for obstructions in the bottom of the cigar lighter, some DC power adapters fall apart and lay in the bottom of the socket causing the blown fuse.
Posted on Jan 23, 2010
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Posted on Jan 02, 2017
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Oct 12, 2015 | 2004 Ford F150
When the service engine soon light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.
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