System
Engine & misfires
Misfires, cam and crank timing, oil pressure, idle and knock: real cases where the engine itself runs wrong.
42 real cases · Page 2 of 2
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Diagnosing a 2015 Astra J with P0014 and P0420
A 2015 Opel Astra J presented with a metallic rattle and codes P0014, P0118, P0420, and P2097. See how we diagnose the VVT and coolant sensor faults together. -
Diagnosing Multi-Cylinder Misfires Hiding Behind a P0301 Code
A 2013 Skoda Octavia presented with a P0301 code, but physical symptoms showed misfires on cylinders 1 and 3. Here is how to diagnose the root cause. -
Diagnosing a Silent P001900 on a 2017 Audi A5
Explore a real diagnostic case of a 2017 Audi A5 presenting a P001900 code with zero drivability symptoms, detailing testing paths for chains and sensors. -
Diagnosing P002300 on an Audi A5 3.0 TFSI
Learn how to accurately diagnose a P002300 code on a 2017 Audi A5. Explore the thermal impact on the N319 solenoid in the EA839 3.0 TFSI engine. -
Diagnosing a P164D00 Code on a 2013 VW Tiguan
A 2013 Volkswagen Tiguan presented a P164D00 code with low oil pressure after five minutes of driving. We explore the top four probable causes. -
Diagnosing Dual-Fuel Misfires on a Lancia Ypsilon
A complete diagnostic breakdown of P0301 and P0300 misfire codes on a dual-fuel 2011 Lancia Ypsilon. Explore how LPG impacts ignition and injection systems. -
P0011 on a SKODA Fabia III: Diagnosing a 4th Gear Knock
A 2017 SKODA Fabia III presented with a P0011 code and a specific knock in fourth gear. We break down the diagnostic path from dirty oil to a faulty phaser. -
Diagnosing a severe knock and P030000 in a Volvo XC90 II
A diagnostic case study of a 2016 Volvo XC90 II presenting with a severe knocking sound and a P030000 misfire code, tracing fuel system and mechanical faults. -
Diagnosing P008791 and Engine Knock on a Mercedes W176
A diagnostic case study of a 2012 Mercedes A-Class (W176) presenting with a P008791 low fuel pressure code, engine knock, and power loss on acceleration. -
Diagnosing P0380 and High Fuel Consumption on a 2012 Renault Megane
A diagnostic breakdown of how a P0380 glow plug circuit code ties into high fuel consumption on a 2012 Renault Megane III Coupé. -
Diagnosing a 1500 RPM High Idle and P0507 on a Honda Accord
A step-by-step look at diagnosing a P0507 code and a 1500 RPM high idle on a 2012 Honda Accord, from dirty throttle bodies to missed relearn procedures. -
Resolving P030273 and DPF Codes on a 2016 Mercedes Vito
A 2016 Mercedes Vito shows DPF fault codes P246B09 and P246392 alongside a cylinder misfire. Learn how to diagnose the root cause and save bay time. -
Opel Insignia P2176: Throttle Body Idle Position Fault
Diagnosing a P2176 fault code on a 2013 Opel Insignia. Step-by-step analysis of throttle body idle position relearning, carbon buildup, and sensor failure. -
Diagnosing a Cascading Electrical Failure on a 2014 Audi A6
A 2014 Audi A6 enters the shop misfiring with 11 fault codes across the injectors, EGR, AdBlue, and DPF systems. Here is how to sequence the diagnosis. -
Diagnosing P0011 and P0014 on a 2014 Suzuki Swift
A complete diagnostic walkthrough for a 2014 Suzuki Swift presenting with a lack of power and both P0011 and P0014 timing fault codes. -
Diagnosing Overlapping Faults on a 2012 VW Polo V
See how Wrenchlane analyzed P0671, P0672, P0673, and P0405 alongside physical symptoms to guide a fast, accurate diagnosis on a 2012 Volkswagen Polo V. -
Diagnosing a VW 2.0 TDI Hard Start with Code P0341
Discover why a P0341 camshaft sensor code on a Volkswagen 2.0 TDI usually points to mechanical timing rather than a faulty electrical sensor. -
Diagnosing a rough start on a Renault Master III after a glow plug replacement
A diagnostic case study on a 2010 Renault Master III presenting with a rough start and chassis codes C10000 and C502764 after a glow plug replacement.