Bad Throttle Position Sensor?
08-22-2016, 09:44 PM
#51
Do you have the vaccume line for the 2004 clk500 diagram once I turn the car on esp defective comes on and rap is high and I get throttle pedal position sensor
03-24-2018, 03:10 PM
#52
I had a very similar problem - stomp the throttle and absolutely nothing
for 3 - 5 seconds.
Mine was a simple vacuum leak I fixed with a 10 cent hose clamp.
I suspect it cleared up when the engine was restarted due to clearing
the short term fuel trims. All the un-metered air entering the intake
was causing the ME to constantly adjust fuel trims because the O2
sensors kept reporting lean condition (extra air with no extra fuel).
I have one of the OBD-II interfaces from o b d diagnostics . com -
I see after clamping that hose down my short term trims are always at 0 now...
FYI I haven't had to use the throttle reset in 4 months or so now...
for 3 - 5 seconds.
Mine was a simple vacuum leak I fixed with a 10 cent hose clamp.
I suspect it cleared up when the engine was restarted due to clearing
the short term fuel trims. All the un-metered air entering the intake
was causing the ME to constantly adjust fuel trims because the O2
sensors kept reporting lean condition (extra air with no extra fuel).
I have one of the OBD-II interfaces from o b d diagnostics . com -
I see after clamping that hose down my short term trims are always at 0 now...
FYI I haven't had to use the throttle reset in 4 months or so now...
11-25-2018, 06:21 AM
#53
Super Member
