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post #1 of (permalink) Old 04-07-2008, 05:39 PM Thread Starter
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Any ideas?

I pulled out the other day and was accelerating, when the CEL came on and the truck went from 40mph down to 30mph for a short distance. I ran a code check on an ODB II scanner and pulled a P1689 (No communication between ECM and Injector pump module), a P0234 (Engine overboost), and a P0500 (No vehicle speed sensor signal). Then that night, I got on the accelerator at a redlight and it accelerated to 35 smoothly, then a few audible pops came from somewhere in the drivetrain. I got stopped at a train and hopped out to check that all the u-joints and parts of the driveshafts were tight.

Could this be my tranny causing the codes to pop up when the truck goes into the temporary "limp" mode? :shrug: I had the injector pump and lift pump replaced just over 3 months ago.

Thanks in advance for any ideas.

My Truck- '02 Dodge Ram 2500 QCLB...ISSPRO Gauges...110hp DDP Injectors...Smarty..TST Comp..Pro52 turbo..BHAF...4" Turbo back to single 8" mitre...converted to NV5600 with SB Street DD

Bro's Trucks- 97 Dodge Ram 2500 5spd 12V...DDP 90hp Injectors...Half-Cut DV's..0 Plate...starwheel turned..kdp & 5th gear fix...17.5deg timing...SB Feramic 13" clutch

96 Dodge Ram 2500 12V XCLB...auto...2wd...SOLD
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