Posted by Hobo,NC on March 07, 2011 at 05:08:12 from (98.17.107.67):
In Reply to: Farm truck problems posted by rrlund on March 06, 2011 at 16:53:30:
Quoting Removed, click Modern View to see
You need a HEI spark checker to confirm that you have enuff spark,,, get the real deal it will take the guess work out of it... then if it will pop the HEI spark checker move on to fuel pressure.... 55 PSI is border line,,, throws up a flag, means it needs a pump regardless of whether it fix's it are not... It must hold pressure when you turn off the switch also... PCM failers are not common but do happen,,, what I see when they fail is intermediate no starts that become more common... When they fail you loose battery/ignition voltage to the cam and crank sensor... Beware you will have some ghost voltage if this happens...
PCM's are not that expensive nor the flash job.... Confirm spark with the right tools,,, if you have spark but it will not fire a HEI tester I would condemn the coil/cap/rotor rite fast.... Aftermarket caps and rotors have been a BIG problem for me.... I have had them crap out in less than a week... You can thank China,,, low bidder got the contract... I replace the local NAPA owners cap and rotor at least once a year,,, its failed so many times he can tell the warn'n signs 8) Pays well also.... :lol:
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