Shuts off

Asked by kellerdavid Mar 30, 2018 at 12:50 PM about the 2001 Dodge RAM 1500 SLT Club Cab RWD

Question type: Maintenance & Repair

2001 dodge ram 1500 5.2 l. Idles fine but it
shuts off after a few minutes in gear. Have
to hold pedal to floor to get it started and
after putting it back in gear it shuts off when
pushing gas pedal and won't idle either
unless I floor pedal til it back in park

1 Answer
4,790

jetjurnigan answered 6 years ago

When you "floor" the gas pedal, the ECM goes into a preset fuel-air ratio. Sounds like maybe O2 sensors, clogging cat or a bad/dirty idle air control valve. If you can get a scanner tool that reads live data, take note of the O2 sensor and fuel trims. O2 upstream should move up n down downstream should be steady...just not pegged at 1 or 0. Read the fuel trims, short and long, at idle/1500/2500 RPM, they should be around "0" when thew engine is warm and at steady RPM n load. Last, what is the intake air temp reading in relation to the ambient air temp?

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