Symptom
Intermittent Fault
Faults that come and go, the hardest kind to pin down.
33 cases
Browse by system
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2014 Porsche Cayenne: Intermittent HV Battery Charging Fault
A step-by-step diagnostic guide for a 2014 Porsche Cayenne Hybrid with 16 fault codes and an intermittent high-voltage battery charging failure. -
Diagnosing P0700 and P283E on a Mondeo 6DCT450
A step-by-step diagnostic guide for P0700 and P283E on the Ford Mondeo 6DCT450. Discover how swarf, sensors, and mechanical binding trigger these specific codes. -
Volvo B102652: Diagnosing the Intermittent No-Start
A step-by-step look at diagnosing code B102652 on a 2013 Volvo S60 II, from Central Electronic Module faults to steering column lock actuator failures. -
Diagnosing a VW ID4 B10FCF1 Parking Sensor Fault
Learn how to diagnose a B10FCF1 front parking sensor fault on a 2020 VW ID4, from microscopic stone chips to acoustic short circuits and sensor alignment. -
Toyota Verso P1604 and P1605: When a Transmission Warning is an Electrical Fault
Diagnosing P1604 and P1605 on a 2009 Toyota Verso. Learn why a transmission warning and a locked shifter often trace back to simple ECM voltage drops. -
Diagnosing a Jerking 2022 Volvo XC40 with Multiple Hybrid Codes
A 2022 Volvo XC40 arrived with severe jerking and a mix of hybrid, transmission, and ADAS fault codes. Here is how we isolated the root cause. -
Diagnosing P246B and Power Loss on a 2013 Ford Kuga
A concrete diagnostic guide for a 2013 Ford Kuga with a P246B fault code and intermittent power loss, detailing exhaust fuel vaporiser and thermostat checks. -
Diagnosing P0440 and an Extended Crank on a 2015 Grand Cherokee
Explore a real diagnostic case on a 2015 Jeep Grand Cherokee with a P0440 EVAP code and a 5-second extended crank. See the top ranked root causes and tests. -
Diagnosing a P0720 Code on a 2003 Ford Focus Mk I
A step-by-step diagnostic breakdown of a P0720 output speed sensor code on a 2003 Ford Focus Mk I, covering thermal failures, wiring, and mechanical gears. -
Diagnosing Intermittent P003A on a 2020 Kia Stonic
A 2020 Kia Stonic with an intermittent check engine light and a P003A code. See how our diagnostic engine ranks wastegate binding against internal gear failure. -
Diagnosing Ghost Code P0020E on a 2019 Peugeot 5008
Learn how to bypass scan tool artifacts like P0020E on a 2019 Peugeot 5008 and properly diagnose the real P20EE SCR efficiency fault on a 1.5 BlueHDi engine. -
Volvo XC60 Code U105000: The 8-Year Battery Trap
A diagnostic breakdown of Volvo code U105000 on a 2017 XC60 II, covering the VCM backup battery, an 8-year age timer, and the required software update. -
Diagnosing a Fake Transmission Error on an Audi A6
A 2012 Audi A6 presented with a start and stall symptom, a fake transmission error, and immobilizer codes. Here is how we traced it to the J393 comfort module. -
Diagnosing Fault Code B1127 on a 2008 Ford Galaxy II
A step-by-step diagnostic breakdown of fault code B1127 on a 2008 Ford Galaxy, covering resistance deviations in the passenger side airbag circuit. -
Diagnosing Instrument Cluster and FlexRay Faults on a BMW F34
A real diagnostic case on a 2020 BMW F34 logging instrument cluster, FlexRay bus, and VANOS faults simultaneously, and how to test for the root causes. -
Diagnosing Code C159209 on a 2015 Mercedes-Benz GLA
A step-by-step diagnostic breakdown of fault code C159209 on a 2015 Mercedes-Benz GLA (X156) where the power steering fails intermittently and resets. -
Diagnosing a Ghost P0300 on a 2003 Silverado
When a 2003 Chevrolet Silverado 1500 logs a P0300 in history but shows no active misfires, diagnosing the root cause requires a structured approach. -
Diagnosing P164E and a Burnt Oil Smell on a 2018 Golf VII
A technical breakdown of diagnosing a P164E fault code and burnt oil smell on a 2018 VW Golf VII. Exploring N428 valve failure, harness issues, and O-ring leaks. -
Diagnosing a Restart-Triggered P20EE on a 2016 Ford Transit V
A Swedish workshop faced an intermittent AdBlue restart warning and a P20EE fault code on a 2016 Ford Transit V. Read the full diagnostic breakdown. -
Diagnosing P164700: Software Conflicts on the Skoda Kodiaq
A concrete look at diagnosing a P164700 fault code on a 2017 Skoda Kodiaq, covering SVM deviations, long coding conflicts, and CAN network testing. -
Subaru Outback Stalling: Diagnosing P0102 and P1603
Step-by-step diagnostic breakdown of a 2021 Subaru Outback with P0102 and P1603 codes, covering MAF failures, wiring faults, and intake leaks. -
Diagnosing a P0753FF Code on a 2005 Mazda 5
Step-by-step diagnostic breakdown for a P0753FF code on a 2005 Mazda 5, covering shift solenoid failures, TCM solder joints, and wiring harness degradation. -
Diagnosing Intermittent Stalls and CAN Faults on a Volvo V60
A diagnostic breakdown of a Volvo V60 diesel stalling on deceleration, dropping fuel gauge readings, and logging multiple CAN and fuel pressure codes. -
Diagnosing the VW Golf VII Shift to Park Warning (B116229)
Discover how to diagnose a 2017 VW Golf VII with fault code B116229. Learn why the F319 microswitch fails and how to test the DSG shift mechanism effectively.