Symptom
Intermittent Fault
Faults that come and go, the hardest kind to pin down.
33 cases · Page 2 of 2
Browse by system
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Diagnosing a Heat-Dependent P0102 in a 2001 Audi A4
Explore a real diagnostic case of a 2001 Audi A4 with a P0102 code that only stalls at 90 degrees Celsius, covering MAF faults, vacuum leaks, and wiring. -
Diagnosing Intermittent P030100-P030400 Misfires
How to diagnose intermittent multi-cylinder misfires (P030100-P030400) on a 2010 Volkswagen Touran, moving beyond coils to find the real root cause. -
Diagnosing an Intermittent P2263 on a Renault Megane III
A case study on diagnosing an intermittent P2263 boost control fault on a 2015 Renault Megane III, focusing on vacuum delays and sticking VNT mechanisms. -
Diagnosing P1178 and P1553 on a 2001 VW Bora
Learn how a vacuum leak connects MAP and O2 sensor fault codes P1178 and P1553 on a 2001 VW Bora, and the diagnostic steps to fix the resulting rough idle. -
Diagnosing six stored codes on a 2016 Ford S-MAX II
See how a cluster of invalid data codes on a 2016 Ford S-MAX II with no active warning lights leads directly to the right front wheel speed sensor. -
Diagnosing Intermittent AC Charging on a 2020 Maxus Deliver 3
A complete diagnostic walkthrough for a 2020 Maxus Deliver 3 with a U011187 fault code and intermittent charging symptoms, starting with the 12-volt system. -
Diagnosing 14 Fault Codes on a 2016 VW Tiguan
A 2016 VW Tiguan presented with 14 fault codes and intermittent ABS, ESP, and tire pressure warnings. See how to trace this back to voltage and gateway issues. -
Diagnosing a P2711 Coherence Fault on a Peugeot 508
A diagnostic path for a P2711 code on a 2010 Peugeot 508, detailing CAN bus communication, mechatronic unit failures, and wiring harness degradation. -
Ford Kuga C1144A0: The Right Diagnostic Order
C1144A0 on a Ford Kuga has four real causes with the same symptom. Here's the test order that separates sensor, tone ring, wiring, and HCU faults.