Renault Clio misfire

Car: Renault Clio
Variant: GRANDE
Model Year: 1998

Categories: Engine & Drivetrain

I’ve a 1998 1.2 Clio with D7F 8 valve engine. It’s misfiring and failed MOT on emissions. Pot 2 is the culprit. No probs with compression and no faults reported on ODB. Coil set, plugs (0.85mm gaps) and leads all renewed, no improvement. All 4 injectors replaced. no improvement. Swapped injectors and plugs with pot 1. Still no improvement. Rocker clearances checked and all OK. Can somebody suggest what to do next please?

Posted: Feb 27, 2023 (1 year ago)

Richard Stubbs

Points: 1

What are the individual cylinder readings ? If it has a timing belt , has it been replaced and timing checked ? Checked for a partially plugged exhaust and / or cat convertor ?

Posted Feb 27, 2023 (1 year ago)

whittingehame

Points: 38,790

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Renault Clio misfire

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