Need to fix my EGR code 33 Ford Truck Enthusiasts Forums
Continuous Memory Code 33 indicates that the EGR valve did not open with the engine stabilized and with EVR solenoid duty cycle present sometime during vehicle operation Possible cause Obstructed or ed hose to EGR valve Damaged EGR valve
GM Code 33 MAP Sensor or MAF Sensor FreeAutoMechanic, CODE 33 MAP Sensor or MAF Sensor depending on the enigne Trouble Code 33 indicates that the Mass Air Flow MAF sensor is reporting more air is entering the engine than makes sense based on RPM and TPS The MAF sensor produces a frequency output around 30 Hz at idle to 150 Hz under acceleration The frequency varies proportionally to airflow
GM Code 33 Troubleshooting and Fix for Chevy TBI Engine JustAnswer
Automotive Technician Vocational Technical or Tra 25 010 satisfied customers I have a 94 G 20 van with a 5 0L OBD 1 code was 33 Replaced I have a 94 G 20 van with a 5 0L OBD 1 code was 33 Replaced MAP sensor as there is no MAF sensor on this engine
TBI Code 33 help CK5, NW Colorado May 18 2015 5 black dawg said map voltage at idle should be near 1 volt Seems like key on engine off map voltage will be 4 5 ish depending on altitude The engine light is on and giving code 33 map voltage too high I just barely installed the motor and the TBI system
Code 33 EGR Valve Fault Not Closing Bronco Forum
Code 33 EGR Valve Fault Not Closing Bronco Forum, The one I found at Autozone is about 55 00 and that seems a bit expensive miesk5 said DTC 33 is triggered when the EVP sensor is not closing so EZiest cheapest checks are to inspect repair replace repair any bad vac lines then do what our pal RLA Advised if vac lines are ok
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Ford Bronco and F150 code 33 troubleshooting part 1 YouTube
Ford Bronco and F150 code 33 troubleshooting part 1 YouTube Classic Ford troubleshooting and repair
Obd1 Toyota Diagnostic Trouble Codes Manual Aksapje
The engine is running and Code 33 or 34 MAF error is not set and TPS reading is 4 90 volts or TPS reading stays between 2 5 and 4 9 volts and MAF reading is 15 grams second and the above two conditions are present for more than 5 seconds Note During a Code 21 condition the ECM uses a default TPS value of 2 6 volts Malfunction Codes Reference. Code 33 egr valve opening not detected check for leaking vacumn hose restricted vacumn hose restricted dirty evr solenoid filter faulty egr valve Your a f ratio will be leaned out any time the engine thinks it is putting exhaust gasses back into the combustion chamber but is not It depends on how aggressive your tune is whether or CODE 33 Trouble Code 33 indicates that the Mass Air Flow MAF sensor is reporting more air is entering the engine than makes sense based on RPM and TPS The MAF sensor produces a frequency output around 30 Hz at idle to 150 Hz under acceleration The frequency varies proportionally to airflow
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