P0221 OBD Engine Code Logo   Code #P0221 -
Throttle/Pedal Position Sensor/Switch 'B' Circuit Range/Performance Problem

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Looks to be related to the TPS (Throttle Position Sensor). You might try and reset the Throttle Valve Control Module electronically. Disconnecting and reconnecting the battery should also be involved in the adjustment.

p2135 P0221, P0440 2002 saturn runs fine

Saturn VUE
Car runs fine. light came on at around 36,000 miles. no problems other than engine check light. dealer service told me the codes.


code p0298 engine power reduced

epc 0221

Volkswagen Golf
unsteady idle


Peugeot 405
p0221


Hyundai Santa Fe
tighten gas cap check engine light went out but still had two code in diagonis PO220 and POa20


Hyundai
tighten gas cap check engine light went out but still had two code in diagonis PO220 and POa20


rough idle, po400 egr flo code also

Mercedes-Benz ML320
rough idle, poor performance


P230

Suzuki Vitara
No acceleration and lost of power


Engine idles ways too high and engine malfunction light on. Fixed by checking and clearing codes - however technician said it might come back.



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Does your Car Vibrate? Shake?
Does your Car Idle Roughly? Reduced Power?

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Other Comments

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5.9 diesel


P0304 Vauxall astra po304 put a coil pack on still miss firing on no 4 cylinder



Other Check Engine Light Codes

P0056   HO2S Heater Control Circuit (Bank 2 Sensor 2)
P0120   Throttle/Pedal Position Sensor/Switch A Circuit
P0159   O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)
P0188   Fuel Temperature Sensor B Circuit High Input
P0369   Camshaft Position Sensor 'B' Circuit Intermittent (Bank 1)
P0378   Timing Reference High Resolution Signal 'B' Intermittent/Erratic Pulses
P0450   Evaporative Emission Control System Pressure Sensor
P0506   Idle Control System RPM Lower Than Expected
P0571   Cruise Control/Brake Switch A Circuit
P0722   Output Speed Sensor Circuit No Signal




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