Surging
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4wd Low
Joined: Sep 2008
Posts: 10
Likes: 0
Surging
When I'm light on the pedal and keeping my foot fairly constant when leaving the line I am getting some surging. If I get on the gas I don't have any. My first thought was the TPS but I replaced the pedal assembly approx 10k miles ago. My last trip towing I did throw a CEL code p1211 but cleared it and it didn't return. Could this be a IPR issue? No forscan but I do use the torque pro app with the ipr %. I didn't notice if it was jumping or not while surging. I will check if it is showing anything weird.
Anything I can try to determine if it is fact the IPR?
Thank you.
Anything I can try to determine if it is fact the IPR?
Thank you.
Lead Driver
Joined: Apr 2016
Posts: 7,172
Likes: 1,332
From: Bahstun
turn key on to run but not start
press Accel pedal slowly 3 times
turn off and drive to see if it made a difference
P1211
Common causes include a faulty ICP sensor, a sticking Injector Pressure Regulator (IPR) valve, a weak High-Pressure Oil Pump (HPOP), or a restricted fuel supply
uplug electrical ICP and see if it runs better
Last time changing fuel filter?
more than 1/4 tank of fuel?
press Accel pedal slowly 3 times
turn off and drive to see if it made a difference
P1211
Common causes include a faulty ICP sensor, a sticking Injector Pressure Regulator (IPR) valve, a weak High-Pressure Oil Pump (HPOP), or a restricted fuel supply
uplug electrical ICP and see if it runs better
Last time changing fuel filter?
more than 1/4 tank of fuel?
Thread Starter
|
4wd Low
Joined: Sep 2008
Posts: 10
Likes: 0
turn key on to run but not start
press Accel pedal slowly 3 times
turn off and drive to see if it made a difference
P1211
Common causes include a faulty ICP sensor, a sticking Injector Pressure Regulator (IPR) valve, a weak High-Pressure Oil Pump (HPOP), or a restricted fuel supply
uplug electrical ICP and see if it runs better
Last time changing fuel filter?
more than 1/4 tank of fuel?
press Accel pedal slowly 3 times
turn off and drive to see if it made a difference
P1211
Common causes include a faulty ICP sensor, a sticking Injector Pressure Regulator (IPR) valve, a weak High-Pressure Oil Pump (HPOP), or a restricted fuel supply
uplug electrical ICP and see if it runs better
Last time changing fuel filter?
more than 1/4 tank of fuel?
Thanks
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