Questions & Answers for: Chevrolet TrailBlazer p0172 code

...code P0172 System too rich (Bank 1) and P0128 Cooland Thermostat (coolant temperature below thermostat regulator temp). The engine appears to idle and run fine; however, the service engine soon light ...

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2004 chevy trailblazer with error codes p0172 and p0410 Can anyone help with these error codes? P1107 MAP Sensor Circuit Intermittent Low Voltage P1410 Fuel Tank Pressure System Good luck and hope ...

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...my inspection in texas. I got these codes: P0128: Coolant temp below thermostat regulating temp and P0172: System too Rich (bank 1). What does that mean exactly. First, you should check to see if ...

p0172 trouble code on 2003 chevy trailblazer This code indicates a rich mixture is being detected. This can be caused by a number of things, such as excessive fuel pressure, vacuum leak, bad O2 sensor

...code p0172 has no power P0172 02 sensor is detecting that the system is running too rich. An 02 sensor that is starting to go out will pull this code, but the following will cause the 02 sensor to ...

Question about 2003 TrailBlazer

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...LOOKED AT. CODE P0172 / BAD OXYGEN SENSOR -FUEL LEAK or BEND LINE -DIRTY INJECTORS or( dirty oily air sensor )chk them all CODE P0106 BAD MAP SENSOR OR A HOLE IN UR (AIR INTAKE) BACK TO THAT ...

CODE P0172 IN A 2003 TRAIL BLAZER CABIN AIR FLOW FANS DO NOT WORK P0172 System too Rich (Bank 1) check the MAF sensor , check for vacuum leaks , you can clean the MAF sensor with electronics cleaner,,

Question about 2004 TrailBlazer

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code PO172B P0172 CHEVROLET - Fuel Trim System Rich Bank 1Possible causes- Faulty front heated oxygen sensor - Ignition misfiring - Faulty fuel injectors - Exhaust gas leaks - Incorrect fuel pressure

code of p0172. Replaced O2 sensor and the thermostat, but that made no difference. Changed oil and filter, changed fuel filter and pump. Still getting p1072. Can it be the catalytic converter? What do

Question about 2003 TrailBlazer

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P0172 2003 trailblazer Check engine light on would like to fix troubleshooting P0172 and C0267 P0172 states that the "bank 1" side of the engine is running too rich. Here is a link explaining it in ...

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