Recent content by Nicman201

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    New to me 2000 K2500 missing at idle, occasional stalls

    I just tried this still chugging but torque not showing misfires with it running while MAF unplugged
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    New to me 2000 K2500 missing at idle, occasional stalls

    I'm hoping it's just a bad injector. I jumpered the fuel pump relay and could hear gas trickling inside the intake.
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    New to me 2000 K2500 missing at idle, occasional stalls

    Damn. After a week and a half and like 6 full tanks later of driving I was coasting to a stop at a light and it started chugging. Torque shows that cylinder 2 has a steady misfire. It's bad enough where there's some vibration when accelerating from a stop but then it seems ok at cruising speed.
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    New to me 2000 K2500 missing at idle, occasional stalls

    Well I found some grounds attached to the frame right underneath the AC condenser. One ground went to the firewall and had rotted away and was no longer connected. The 2nd ground, I'm assuming went to the back of the cylinder head but it wasn't connected to anything so I just put it on the stud...
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    New to me 2000 K2500 missing at idle, occasional stalls

    Yeah after making sure the cmp offset was in the correct range I'm still experiencing drivability issues. It's sputtering on acceleration sometimes the idle gets weird too. Still need to check fuel pressure and these grounds. Where are they on this motor? Back of the cylinder head? Where on the...
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    New to me 2000 K2500 missing at idle, occasional stalls

    Got it set to +0.67 at 1000 rpm. Already sounds better. Will do more extensive test driving when I fix the brakes lol
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    New to me 2000 K2500 missing at idle, occasional stalls

    Nah no smoke that I can see. My scanner app shows that the cmp offset is over almost 2° positive. Haven't had a chance to loosen the dizzy and wiggle it around yet.
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    New to me 2000 K2500 missing at idle, occasional stalls

    Good news? I could not find CMP offset in Torque, but the app called Car Scanner on Android seems to have it. It was at 4.9 at 1,000 rpm.
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    New to me 2000 K2500 missing at idle, occasional stalls

    Absolutely right. This article explained it all to me. http://www.gmtruckcentral.com/articles/distributor.html Luckily I have EFILive and a scan cable. So tomorrow I will be grabbing my laptop and seeing what's up with that cam offset
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    New to me 2000 K2500 missing at idle, occasional stalls

    Ok, EGR seems unrelated. I had the distributor wire unplugged still from earlier. Just plugged it in after idling for 5-10 minutes, instantly had a horrible idle. What does this mean? You called it a cam position sensor, but it most certainly is the 3 pin connector at the base of the distributor
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    New to me 2000 K2500 missing at idle, occasional stalls

    I'm getting the feeling the guy diagnosed the hell out of it and gave up and that's why he let it go. Could it be the EGR? I disconnected for ***** and giggles and it's a super steady idle. Haven't driven to test cause the rear brakes are out at the moment The way it seems to cut out on me...
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    New to me 2000 K2500 missing at idle, occasional stalls

    Definitely the distributor wire, I have oil pressure on the dash and no warning lights.
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    New to me 2000 K2500 missing at idle, occasional stalls

    So what does the distributor computer wire do? It clearly doesn't do anything to the tachometer like I've seen on an older 350. Did they possibly remove the wire (I believe you have to do this to get base timing on older generations?), then verified the cam offset with the scan tool and forgot...
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    New to me 2000 K2500 missing at idle, occasional stalls

    I just reached behind the intake to see what it was I plugged in and I'm positive it WAS the distributor computer wire. So many questions, how did it get me from Wisconsin to the twin cities with that unplugged. With no codes.
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    New to me 2000 K2500 missing at idle, occasional stalls

    Good to know! Thank you! The guy said he replaced tank and the sender. It's a steel tank and it's shiny. So you may be on to something with that relay. If it was indeed the distributor computer wire that I found disconnected and I plugged it in, I'm not very hopeful that they used a scan tool...
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