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Old 04-14-2013, 01:30 PM   #1
Scooby Newbie
Member#: 342317
Join Date: Jan 2013
Chapter/Region: RMIC
Location: Paonia, Colorado
1974 VW Campmobile-E

Default EJ25 swap to VW Bus Limp Modes?

Spent a long cold winter swapping a 2000 EJ25 from a AT Outback to a 1974 VW Bay Window Bus. VSS from Smallcar, stock ECU and loom, stripped vapor canister and purge valve. Did everything myself including loom. This car ran great before the swap. Bus fired up first time after swap albeit with some codes and mysterious running issues.

Main issue is what sounds like running in "limp mode". It idles very smooth and steady. When I am sitting still and attempt to rev up, it cuts off at about 2800 rpm and will rev no higher. If I keep accelerator in the same position it will just rythmically go up to 2500-3000rpm and, like fuel is being cut, (or?) its goes back down to 1500. Same behavior rolling on the road. Does this sound like limp/failsafe mode?

Also becomes difficult to start once engine has warmed up.

Codes I get are:

P0336 (Crankshaft Sensor)
P0183 Fuel Temp
P0443 Purge Valve
P1507 Idle Control System Malfunction (Fail Safe) (((This is a Intermittent Code)))))
P1116 Engine Torque Control Cut Signal Circuit Low Input
P1722 Auto Trans Diagnosis Input Signal High Input

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