SOURCE: 2004 Honda Civic -Code P0122 Throttle Position Sensor Voltage Low
yes, this is the case of a failed throttle body, in which case it needs replaced, the car is getting too much fuel causing the high idle. this needs replaced asap. you could proably find a small independant honda shop that could do the work for less.
SOURCE: 2000 mazda miata r&r throttle body
se if egr is controled by vacium or electric
if it is by vacium then locate the egr solenoide and make sure it has vacium in one hose w/ engine runing if it does then replace solenoide
SOURCE: Tps Sensor low input p-0227
P0227 also indicates the throttle PEDAL position switch control Circuit.Not only the throttle position sensor at the engine.
SOURCE: 2004 toyota rav4 does not accelerate
check fuel injector rail pressure sensor take plug off one side iff engine does not cut out change sensor
SOURCE: throttle Pedal Position Sensor Switch A
its just a sensor. you do not have to replace the entire throttle body.
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Limited throttle mode--The ECM will continue to use the accelerator pedal for throttle control, however, the maximum throttle opening is limited.
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Throttle default mode--The ECM will turn OFF the throttle actuator motor and the throttle will return to the spring loaded default position.
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Forced idle mode--The ECM will perform the following actions:
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Limit engine speed to idle by positioning the throttle position, or by controlling the fuel and spark if the throttle is turned OFF
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Ignore the accelerator pedal input
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Engine shutdown mode--The ECM will disable fuel and de-energize the throttle actuator.
Did you have it checked for DTC's - diagnostic trouble code's related to the reduced engine power ?
All so has APP sensor gas pedal !
Accelerator Pedal Position (APP) Sensor
The accelerator pedal contains 2 individual accelerator pedal position (APP) sensors within the assembly. The APP sensors 1 and 2 are potentiometer type sensors each with 3 circuits:
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A 5-volt reference circuit
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A low reference circuit
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A signal circuit
The APP sensors are used to determine the pedal angle. The engine control module (ECM) provides each APP sensor a 5-volt reference circuit and a low reference circuit. The APP sensors provide the ECM with signal voltage proportional to the pedal movement. The APP sensor 1 signal voltage at rest position is less than 1 volt and increases to more than 4 volts as the pedal is actuated. The APP sensor 2 signal voltage at rest position is less than 0.6 volt and increases to more than 2 volts as the pedal is actuated.
Your best bet is take your vehicle to the dealer !
al
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I spoke with someone from a chevy dealship/auto shp. This is not true if it's a genuine GM (Oem) part. Anyone else have a suggestion. My mechanic (Chevy mechanic) is scratching his head. I'm wondering if it's wiring somewhere. Something is making the throttle body code still come up even though it's a new part. Wiring is supposedly good to main computer.
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