What is engine code P1133?

What is engine code P1133?

OBD II fault code P1133 is a manufacturer specific code, and on some applications, this code is defined as “HO2S (Heated Oxygen Sensor) Insufficient Switching Sensor 1”, and is set when the PCM (Powertrain Control Module) detects an insufficient number of switching cycles between a rich running and a lean running …

How much does it cost to diagnose a P1133 code?

An error occurred while retrieving sharing information. Please try again later. The cost of diagnosing the P1133 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

How does the P1133 Chevrolet ho2s work?

P1133 Chevrolet Description. The Powertrain Control Module ( PCM) monitors the Heated Oxygen Sensor (HO2S) activity for 90 seconds after closed loop operation has begun. The PCM determines if the front HO2S is functioning properly by counting the number of HO2S-1 Lean/Rich (L/R) and Rich/Lean (R/L) switches.

When to set the P1133 engine light code?

If the Powertrain Control Module (PCM) determines that the front HO2S did not switch enough times, the PCM will set the P1133 code. The Powertrain Control Module ( PCM) monitors the Heated Oxygen Sensor (HO2S) activity for 90 seconds after closed loop operation has begun.

How much does it cost to repair a P1133 Chevy engine?

The cost of diagnosing the P1133 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What are the possible causes of P1133 code?

P1133 Possible Causes. Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1. Vacuum leak. Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 harness is open or shorted. Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 circuit poor electrical connection.

What does P1133 mean in Powertrain Control Module?

P1133 Meaning. The Powertrain Control Module (PCM) monitors the Heated Oxygen Sensor (HO2S) activity for 90 seconds after closed loop operation has begun.

How to diagnose P1133 HO2 insufficient switching sensor 1?

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals. The cost of diagnosing the P1133 code is 1.0 hour of labor.

How much does it cost to repair a P1133 sensor?

Check for damaged components and look for broken, bent, pushed out, or corroded terminals. The cost of diagnosing the P1133 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What does P1133 mean on a MAF sensor?

Both conditions can set code P1133, so on these applications, a simple cleaning of the MAF sensor element with an approved solvent will often resolve this code. Moreover, the use of aftermarket MAF sensors can cause this code to be set, even in the absence of excessive oil consumption.