1992 Toyota Pickup "21 fault code" Questions

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...fault code 21 on a 1992 toyota xtra cab? I am getting fault code 21... How do I find out what that is? Generally speaking code 21 for Toyota is a problem with the O2 sensor circuit.  It could be ...

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Question about Toyota Pickup

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...21 Ignition Signal. 22 Fuel Pump. 23 Idle Switch. 24 Throttle Valve Switch. 25 Idle Speed Control Valve. 28 Cooling Fan Circuit. 31 ECM. 32 EGR Function. 33 Heated Oxygen Sensor. 34 Knock Sensor. 35 ...

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21 module mounting fault? You do not want to be messing with airbags unless you are well trained with them. You have a resistance problem indicting an airbag fault on the passenger side from what info

...fault code 21?? when I turn ignition on it clicks twice under bonnet kinda loud please help me ???? Your anti lock brake system is experiencing a problem. Don't ignore this. have a diagnostic test ...

...21 Problem in the oxygen feedback circuit. 22 Fault in the coolant temperature sensor circuit. 23 Air temperature sensor. 24 Fault in the throttle position sensor circuit. 25 Fault in the IAC motor ...

...FAULT CODES 35&21 HAVE REPLACED R/H/F SENSOR & ABS PUMP/MODULE, STILL THE SAME code 21 is Open or short circuit in 2?position solenoid circuit for left front wheel pop possible causes ABS ...

...Code 21, Ignition Signal, Diagnostic Tree . Best to take to dealer for repairs and to remove codes, the codes do not mean the units are faulty ,just there is a fault, could be just a bad

Question about Toyota Pickup

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21-33-51 . I have replaced my ECU , replaced all injectors and oxygen heat sensor. The new ECU is showing the same codes. Hi Kevin, The fault codes are in relation to faults that are recorded with the

Question about Toyota Pickup

1 Answer

...fault codes 12, 21, 34, 44, 13, Engine overheating, throttle high on idle, and while driving Based on the codes you gave the high idle is because of the EGR valve. (12,13 and 34) 21 is a temp sensor ...

...unit code 21 no ign signal Nissan 300zx 1985 non turbo. non starter, no h/t spark self diagnosis on the control box gave code 21.. no ignition signal...any ideas please mike Distributor is at ...

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