Fuel froze/gelled now I have codes. - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 01-31-2010, 04:23 PM Thread Starter
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Fuel froze/gelled now I have codes.

Hey guys. I loaned the Dodge to my driver to get home yesterday cause his Ford(Patooie!!!)gasser commited suicide in my driveway. It was -15f the night before. The Dodge was pluged in but he said it started dying and the CEL came on , After a few minutes he said it cleard itself up and seemed to be ok. He put some anti gel in it. I got it bck today and it has the following stored codes(I won't post the 1693's)PCU 0122 and ECU1690. I am thinking the sensors went nuts cause the fuel either gelled or froze. I'm gonna run up to Advanced and get them cleared. Should I be worried about anything ?

1986 CUCV....M1008 6.2 NV4500 5 spd
Raptor 100 LP. Serp belt conversion. 5 inch redneck master exhaust. DB2831 IP. Dmax fan. Humvee waterpump.

1981 AM General M35A2c

Lee's Auto Ranch In Ellington CT SUCKS !!
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post #2 of 6 (permalink) Old 01-31-2010, 08:22 PM
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0122 = Accelerator Position Sensor (APPS) Signal Voltage Too Low

1690 = Problem in fuel sync signal. Possible injection pump timing problem. Low power, engine derated, or engine stops.


Given the engine stalled, I'd clear the codes and see if they come back.

Also reset the APPS, and go from there.

"Some people are educated beyond their intelligence."

'93 W350 CC, LE, 5spd, HTT modded H1C, 4" DE

Sold- '99 3500 Q/C, SO CTD, 4x4, 5spd.

Traded off- '97 3500 C/C, 4x4, CTD

'92 W250, LE, CC, CTD w/ tweaked pump (SOLD)


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post #3 of 6 (permalink) Old 01-31-2010, 09:36 PM Thread Starter
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How do I reset the APPS ? I went down to Advance and had the codes cleared and drove it to Tractor Supply and back, a good 30 miles or so. No codes...

1986 CUCV....M1008 6.2 NV4500 5 spd
Raptor 100 LP. Serp belt conversion. 5 inch redneck master exhaust. DB2831 IP. Dmax fan. Humvee waterpump.

1981 AM General M35A2c

Lee's Auto Ranch In Ellington CT SUCKS !!
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post #4 of 6 (permalink) Old 02-03-2010, 05:05 AM
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IIRC, you need to disconnect the batteries for about 30 minutes. After reattaching them, turn the key to the "run" position, but do NOT start the truck. Slowly and steadily push the throttle pedal to the floor and slowly bring it back. Turn the key off, then restart the truck. Should be good.

"Some people are educated beyond their intelligence."

'93 W350 CC, LE, 5spd, HTT modded H1C, 4" DE

Sold- '99 3500 Q/C, SO CTD, 4x4, 5spd.

Traded off- '97 3500 C/C, 4x4, CTD

'92 W250, LE, CC, CTD w/ tweaked pump (SOLD)


"Obama = Hoax and Chains"

If Obama is the answer, it must have been a stupid question.
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post #5 of 6 (permalink) Old 02-03-2010, 01:14 PM Thread Starter
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Thanks. Since Advanced cleared it it's running fine with no codes so I'm leaving it alone...

1986 CUCV....M1008 6.2 NV4500 5 spd
Raptor 100 LP. Serp belt conversion. 5 inch redneck master exhaust. DB2831 IP. Dmax fan. Humvee waterpump.

1981 AM General M35A2c

Lee's Auto Ranch In Ellington CT SUCKS !!
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post #6 of 6 (permalink) Old 02-04-2010, 10:08 PM
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Good deal.

"Some people are educated beyond their intelligence."

'93 W350 CC, LE, 5spd, HTT modded H1C, 4" DE

Sold- '99 3500 Q/C, SO CTD, 4x4, 5spd.

Traded off- '97 3500 C/C, 4x4, CTD

'92 W250, LE, CC, CTD w/ tweaked pump (SOLD)


"Obama = Hoax and Chains"

If Obama is the answer, it must have been a stupid question.
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