What are the p0172 and p0175 codes?
I have a 2003 tahoe z71 with a 5.3l motor not flex. I got these 2 codes (p0172 and p0175) so i figured it was the MAF sensor. I read a article that said if you unplug the sensor and the truck stalls the MAF sensor is ok, if the truck keeps running then your MAF sensor is bad.
What’s the new code for the Chevy Tahoe?
Now the p0172 and p0175 are gone. The new code is p0300 random misfire. The plugs and wires that were on the truck had to be the original ones they looked really bad. Do you think one of the coils are bad . Thanks. So I changed the spark plugs and wires. Now the p0172 and p0175 are gone. The new code is p0300 random misfire.
How does the ECM work on a Chevy Tahoe?
The truck is designed to keep running if the sensor is disconnected or bad. The ECM uses TPS data to “estimate” load is the MAF is out of range or missing. The truck is designed to keep running if the sensor is disconnected or bad. The ECM uses TPS data to “estimate” load is the MAF is out of range or missing. Click to expand…
What does fault code p0172 and p0175 mean?
P0172/P0175 Diagnostic Theory for Shops and Technicians. When a vehicle has the fault code P0172 and or P0175, it means that computer can no longer automatically adjust the mixture between air and fuel. Code P0172 applies to Bank 1 and P0175 applies to Bank 2.
Now the p0172 and p0175 are gone. The new code is p0300 random misfire. The plugs and wires that were on the truck had to be the original ones they looked really bad. Do you think one of the coils are bad . Thanks. So I changed the spark plugs and wires. Now the p0172 and p0175 are gone. The new code is p0300 random misfire.
The truck is designed to keep running if the sensor is disconnected or bad. The ECM uses TPS data to “estimate” load is the MAF is out of range or missing. The truck is designed to keep running if the sensor is disconnected or bad. The ECM uses TPS data to “estimate” load is the MAF is out of range or missing. Click to expand…