Engine Hesitates After an Aftermarket Intake Was Fitted
Hesitation after intake changes should be reported with the exact parts and work involved.
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Complex Electronics Diagnostics
Evidence-led diagnosis of intermittent faults, communication failures and problems affecting multiple vehicle electronics systems.
Returning a Repaired Module to a Different Garage
When one garage removes a unit and another refits it, the diagnostic history can easily become fragmented.
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New Battery, Same Warning: Registration and Battery Specification
What to check after a battery replacement: correct specification, vehicle-specific registration, existing fault history and warnings that still need diagnosis.
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Wipers Stop in the Wrong Position
Wipers that run but park in an unusual position need the final position and movement recorded.
Engine Cuts Out When Hot but Restarts After Cooling
A temperature-associated cut-out needs the shutdown and restart behaviour recorded separately.
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Lane Assistance Unavailable Without a Stored Engine Code
An engine-only scan does not assess every driver-assistance function.
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One Wheel-Speed Reading Drops Out on Corners
A wheel-speed value that disappears only during steering or cornering should be reported with the test conditions.
Rear Passenger Controls Fail but Front Controls Work
Rear window or climate controls may be restricted by a normal lock setting, depending on the vehicle.
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Engine Temperature Reading Jumps When the Heater Is Used
A temperature display that changes abruptly when cabin heating is selected needs clarification: is the actual reported coolant temperature changing, or only…
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Battery Light and Smart Charging: More Than One Voltage Reading
Understand what a charging-system assessment should record, including battery condition, operating conditions, control information and the wiring report.
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