IF U INSTALL A PCM AND IT WORKED FINE.I WOULD TEST THE FUEL PRESSURE FIRST.THEN MAY NEED A NEW PCM.

Answered by cadieman (expert)
2,849 answers provided

I Check the fuel pressure it is at 45 PSI Is there anything else I can do

Response from joshcomer
1 question asked

po601 is internal pcm failure. u will have to replace it

Answered by cadieman (expert)
2,849 answers provided

Is there a way to tell what caused it to fail

Response from joshcomer
1 question asked

no there isn't sorry

Answered by cadieman (expert)
2,849 answers provided

So basically I have to get a new computer and then wait for whatever to cause a problem to go bad again.a quick question if i hit a tiny puddle after it rains and im saying going bout 10mph. the truck seems like it has water in the distributer but i know There's no way that water got up in their what might be the problem?

Answered by joshcomer1
0 questions asked

is there any warrenty on the computer"? us a hose to spray water on the engine a section at a time. to try to find the problem.u may have bad ing.wires test them with a test light and check them at the plugs. did u clear the codes when u replaced the computer?

Answered by cadieman (expert)
2,849 answers provided