P0455 Engine Code | Evaporative Emission Control System—Large Leak Detected

Original graphic image P0455

Table of Contents Possible Causes of P0455 & Their Repair Costs Code P0455 indicates a small leak is detected in the evaporative emission control (EVAP) system. How to Diagnose The Cause of Your P0455 Code Pinpoint the likely cause of the P0455 code. Common culprits include a loose gas cap, malfunctioning charcoal canister, faulty purge […]

P0420 Engine Code | Catalyst System Efficiency Below Threshold (Bank 1)

Original graphic image of Code P0420

    Table of Contents Possible Causes of P0420 & Their Repair Costs Code P0420 indicates that the catalytic converter isn’t removing enough pollutants from the engine’s emissions coming from Bank 1.  How to Diagnose the Cause of Your P0420 Code While a faulty catalytic converter lies at the heart of most P0420-related problems, damaged […]

P0135 Engine Code | Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)

Original graphic image of Code P0135

https://youtube.com/watch?v=tM0bBtY7iU0%3Fsi%3DEDk4pjfRkHMbwqxD Table of Contents Possible Causes ofP0135 & Their Repair Costs Code P0135 signals a malfunction in the oxygen sensor heater circuit for Bank 1, Sensor 1. This situation prevents the oxygen sensor from reaching the ideal temperature more quickly during a cold start. How to Diagnose TheCause of Your P0135 Code A malfunctioning oxygen […]

P0014 Engine Code | Incorrect Camshaft Position Timing—Bank 1

Original graphic image of Code P0014

Table of Contents Possible Causes of P0014 & Their Repair Costs Code P0014 signals a camshaft isn’t operating within the correct timing threshold. How to Diagnose the Cause of Your P0014 Code Identify the likely causes of a P0014 code, such as low/dirty oil, a faulty camshaft/crankshaft position sensor, a bad oil control valve/variable valve […]

P0128 Engine Code | Coolant Temperature Below Thermostat Regulating Temperature

Original graphic image of Code P0128

https://www.youtube.com/watch?v=VIkF3Dr3dpE&ab_channel=FIXD Table of Contents Possible Causes of P0128 & Their Repair Costs P0128 indicates that the engine is running cooler than it should, failing to reach its normal operating temperature. How to Diagnose the Cause of Your P0128 Code A faulty thermostat is the most likely cause of code P0128. However, low coolant, a defective […]

P0101 Engine Code | Mass Air Flow (MAF) Sensor Malfunction

Original graphic image of Code P0101

Table of Contents Possible Causes of P0101 & Their Repair Costs Code P0101 indicates the engine control module has received mass air flow (MAF) sensor data outside the normal parameters.  How to Diagnose the Cause of Your P0101 Code A P0101 code can be triggered for several reasons, including a dirty or damaged MAF sensor, […]

P0171 Engine Code | System Too Lean (Bank 1)

Original graphic image Code P0171

Table of Contents Possible Causes of P0171 & Their Repair Costs Code P0171 indicates that Bank 1 of the engine is too lean—the air-to-fuel ratio has too much oxygen or insufficient fuel. How to Diagnose the Cause of Your P0171 Code There are multiple possible reasons for a P0171 code to arise. Trouble spots can […]

P0304 Engine Code | Cylinder 4 Misfire Detected

Original graphic image of Code P0304

https://www.youtube.com/watch?v=f1p516V-Ofs&ab_channel=FIXD Table of Contents Possible Causes of P0304 & Their Repair Costs Code P0304 signals the presence of a misfire in cylinder #4. How to Diagnose the Cause of Your P0304 Code Several potential triggers exist for a check engine light and a P0304 code. The problem can be due to a faulty spark plug/spark […]