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Hi sirs, my 94 6.5 td,after some days without run,needs purge the diesel circuit, anybody have a diesel diagram for see if I no have check valves in the circuit, and what is t'he correct location for them? Thanks for your aid

Work work & learn :*)

Then better install an intercooler, or change the chip in PCM for example,not?

Thank you, at the moment I'm starting the truck,but my intention is tune up it, and no I haven't much money for t'ha truck,I'm go so slowly,but thanks another time to you for aid me

Thank you too, you are a great aid for me!!!

Thanks so much I'm newer in this.

Hi sirs,anyone can tell me the brand and model or reference number of marine injectors for the6.5 td? Are bosch or ac delco? Is true the 40 horsepower plus? In USA are at good price,but shipping to spain is so expensive, and, I want search in spain if they exists here. sorry for my bad...

Thanks so much, this information is very valuous for me, here , in spain there aren't specialysts in american vehicles. :):thumbsup:

it's an engine 6.5 turbo diesel, year 1994,IP DS4-5521, with EGR and catalysator,the same like the L65, but with emissions control

Hi sirs,is it possible eliminate the catalyst and the egr valves on a l56 witout modify the power module? Thanks!!! :-D

with the PCM and FSD and injection pump new, the electric fuel pump not runs with the key in ON position, the pump is OK, the relay is OK, but don't have positive signal in relay, do you know where it's from this signal? Thanks

Hi sirs, finally the "beast" was started, runs, but with a lot of gray smoke, the iddle is correct,but it throotle without push the pedal one or two seconds and return to iddle, when I push the throotle pedal,more gray smoke and it makes a noise like the pump it's out of time, I turned the pump...

Thank you very much, this information is very valuous, I'm in the correct way!!! (I think...) Pavel , if you go to spain, visit barcelona, is a very nice city, and if you like coasts, costa daurada and costa brava are really beautifull, there are villages so variated. Thanks.

Hi...nobody can help me?:errr:

With "engine unit", I refeer the PCM or ECU. The engine turns ok with the starter, and I think this engine was remanufactured short time ago, without pan is very clean (inside engine). Thanks

When I bought the injection pump, the dealer (ss diesel supply) asked me the for the digit code of the chip, because there are two models of injection pump. And they send me DS4-5521, but if the chip of PCM is not correct, I don't know. I bougth this truck in a dealer of american cars, here, in...

Hi sirs; I recently buyed a 1994 6.5 c2500 silverado without injection pump (ds4-5521) and without fsd (fuel solenoid driver). I buyed and installed this parts without many information. The problem I have is that I have no negative signal in the fuel cut off solenoid, I have no positive...