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being 94 truck OBD-1 all need is paper clip to check codes
The Data Link connector is located below the steering wheel lower left rim of the dash just about knee cap height. Use a jumper (paperclip, etc) to connect these terminals. The connection/removal of the jumper between terminals (A&B) should be done with the ignition switch OFF. Also to prevent potential volt spike to PCM remove clip with Key OFF also.Once jumper is installed then turn key to on/run (not full start) to begin the flashing sequence The Service Engine Soon light will flash Code 12 three times to indicate that the diagnostics are working. Trouble codes will then follow, one at a time, three times each. DTC 12 will only appear if there are no other codes. here a pic show you A & B spots 2 The codes appear in numerical order, and each code repeats itself three times before the next begins. This is different from some other ECM's. 3. It is helpful to the diagnostic process to know when codes are setting, particularly if there is more than one. Hence, clearing the codes is something you may wish to do. Clearing the codes may be accomplished by simultaneously depressing the brake and accelerator pedals fully while the PCM is in diagnostic mode (terminals A and B connected). It will not appear that you have cleared the codes until the next time you power up in diagnostic mode, however. |
None of the parts described in the lift pump check are where the post says they are.
the lift pump is on the passenger side but i can not find the fuel canister with a handle Could everything be in a different place this is a 94 3500 ?? |
lift pump is on driver side on the frame under driver door
when say handle i guest you mean T-Valve it be bass T-Valve on the T-stat housing |
It is copper in color as soon as u open hood reach ur right hand forward u should be touching t hander or close to it:c:
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See what you think 94 3500
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look like some remove the water drain valve take few more pic of the engine and see if there didn't put in diff spot and could use top of the see if lift pump working or feed hose at the injector pump it self buy pulling it off
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this looks like a factory move
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the fuel filter is in back with no water release what is that unit in the front of the tunnel
it looks almost like a international injector unit??Attachment 19018 Attachment 19019 Attachment 19020 |
on that first pic i see metal line going long side the injector pump going to rubber line can you get more pics it where it going to
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OK the lines you see are return lines from the injectors they tee together then go in the rubber hose on the top. the line above the black box is from the filter.
Should I get fuel if i take the black plug out of the top of the filter and turn the switch on? If so then I got a bad lift pump. |
More pictures of 6.5
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here are a few more pictures shows what i can figure out
Attachment 19021 Attachment 19022 Attachment 19023 |
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