4x4American
Got Sawdust?
First off, truck info: 1998.5 Dodge Ram 2500 4x4 Cummins 24v with Bosch VP44 fuel injection pump. pretty much stock, just some aftermarket front end parts, B&W turnover ball gooseneck hitch, cooper discoverer at3 sneakers, & mbrp 5" straight pipe exhaust.
I installed an airdog raptor frrp on sunday, and it worked great all day sunday. there was one thing i didnt like, and that was the 90 degree elbow the comes out of the raptor was bumping into the ecm wiring harness, the truck i believe got a new ecm before i bought it and the wires were kinda off to the right a bit more than stock so i undid the wire loom and moved the wires back to the left and tightened the loom back up. at that time i was praying that wouldnt screw anything up. I ran into a problem today, this morn at 5am i started her up and let her run for awhile whilst i packed lunch and put on my boots, when i got in the truck i saw the check engine light had came on, and the tachometer was reading 0 while truck was idling. so i turned off truck, held the trip reset button and cycled my key 5 or 7 times to get it to reset the gauges. after the gauges reset it worked fine for awhile, then it would stop working for a minute, and then resume to working. without thinking much of it i drove my 45 miles to work. it seemed to run just fine on the way there. after work i started my truck and let her idle for awhile then i remembered the CEL. so i went and grabbed bossman's innova 3150 OBD2 scan tool and plugged it in. 5 codes come up, 2 of which were on there twice for some reason. the codes were:
-P1693
-P0336: crank position sensor A circuit range/performance
-P1690: fuel injection pump CKP sensor does not agree with ECM CKP sensor
-P0336
-P1690
So, I cleared the codes to see if they would come up again. After I had cleared the codes, the engine would crank but it wouldn't fire. Didn't sound like it had a prayer in hell of starting. So I disconnected the batteries and let it set for awhile, reconnected them, and it started up. CEL came back on. I was happy that it started, and I drove to the local stihl dealership on the way home to get some parts. I shut it off after spooling the turbo down for a spell, when i come back out, engine wouldn't start, again. This time I didn't have bossman's scan tool. So I disconnected batteries, let it set, reconnected them, still wouldn't start. This time it would kinda spit and sputter and it sounded like it wanted to start. It seemed like it was starved of fuel. I turned on the key to listen for the raptor to pump and it wasn't making any noise. I disconnected the quick connect from the raptor to the fuel filter housing and turned key on without cranking, nothing, no fuel. I bumped the starter to see if that would make it pump, and nothing. raptor was not pumping. I tried moving around the wiring harness to see if maybe there was bad connections. I called bossman (he lives near me and passes stihl dealership on his way home, too), I caught him just in time and he said he'd be there soon to give me his scan tool (he has all his tools on his f750). Whilst waiting for him I tried cranking it with quick connect disconnected, and engine started. I turned it right off because I didn't want to trash the VP44. I reconnected the quick connect and it started up again, cranked a little longer than usual. I don't think that the raptor is pumping. Is it possible that the VP44 is being forced to suck the fuel all the way up from the tank? Its hard to tell if the raptor is pumping while truck is running, and I don't want to take off the quick connect while truck is running for fear it might trash VP44. I don't have a fuel psi gauge, I know I should and I have no excuse not to, I am going to order an autometer fuel psi gauge tonight. I have just a warning light that comes on when there is low fuel psi.
Does anyone have any suggestions or advice they might be able to give? I'm in a real pickle I need my truck for work I have all my tools on it, I need this rig to make money.
Thanks, Doug
I installed an airdog raptor frrp on sunday, and it worked great all day sunday. there was one thing i didnt like, and that was the 90 degree elbow the comes out of the raptor was bumping into the ecm wiring harness, the truck i believe got a new ecm before i bought it and the wires were kinda off to the right a bit more than stock so i undid the wire loom and moved the wires back to the left and tightened the loom back up. at that time i was praying that wouldnt screw anything up. I ran into a problem today, this morn at 5am i started her up and let her run for awhile whilst i packed lunch and put on my boots, when i got in the truck i saw the check engine light had came on, and the tachometer was reading 0 while truck was idling. so i turned off truck, held the trip reset button and cycled my key 5 or 7 times to get it to reset the gauges. after the gauges reset it worked fine for awhile, then it would stop working for a minute, and then resume to working. without thinking much of it i drove my 45 miles to work. it seemed to run just fine on the way there. after work i started my truck and let her idle for awhile then i remembered the CEL. so i went and grabbed bossman's innova 3150 OBD2 scan tool and plugged it in. 5 codes come up, 2 of which were on there twice for some reason. the codes were:
-P1693
-P0336: crank position sensor A circuit range/performance
-P1690: fuel injection pump CKP sensor does not agree with ECM CKP sensor
-P0336
-P1690
So, I cleared the codes to see if they would come up again. After I had cleared the codes, the engine would crank but it wouldn't fire. Didn't sound like it had a prayer in hell of starting. So I disconnected the batteries and let it set for awhile, reconnected them, and it started up. CEL came back on. I was happy that it started, and I drove to the local stihl dealership on the way home to get some parts. I shut it off after spooling the turbo down for a spell, when i come back out, engine wouldn't start, again. This time I didn't have bossman's scan tool. So I disconnected batteries, let it set, reconnected them, still wouldn't start. This time it would kinda spit and sputter and it sounded like it wanted to start. It seemed like it was starved of fuel. I turned on the key to listen for the raptor to pump and it wasn't making any noise. I disconnected the quick connect from the raptor to the fuel filter housing and turned key on without cranking, nothing, no fuel. I bumped the starter to see if that would make it pump, and nothing. raptor was not pumping. I tried moving around the wiring harness to see if maybe there was bad connections. I called bossman (he lives near me and passes stihl dealership on his way home, too), I caught him just in time and he said he'd be there soon to give me his scan tool (he has all his tools on his f750). Whilst waiting for him I tried cranking it with quick connect disconnected, and engine started. I turned it right off because I didn't want to trash the VP44. I reconnected the quick connect and it started up again, cranked a little longer than usual. I don't think that the raptor is pumping. Is it possible that the VP44 is being forced to suck the fuel all the way up from the tank? Its hard to tell if the raptor is pumping while truck is running, and I don't want to take off the quick connect while truck is running for fear it might trash VP44. I don't have a fuel psi gauge, I know I should and I have no excuse not to, I am going to order an autometer fuel psi gauge tonight. I have just a warning light that comes on when there is low fuel psi.
Does anyone have any suggestions or advice they might be able to give? I'm in a real pickle I need my truck for work I have all my tools on it, I need this rig to make money.
Thanks, Doug
