Juddering and noise in engine

2005 PEUGEOT 206
52,000 MILES • 1.1L • 4 CYL • 2WD • MANUAL
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URBY67
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Went to use my 55 Plate 206 sport. Started and began juddering straight away and every few seconds a loud crunching/tapping noise from the engine, revs drop and come back up. This just keeps repeating. Changed the coil pack and sparks. Checked all fluid levels and fine. Still the same symptoms. Called out roadside assistance and he was not sure but immediately said it is tappets/timing fault so could be timing belt and it has jumped a tooth. Removed timing belt cover and i can flex the belt. Help please, do not want to spend too much and trying to identify source of problem to reduce costs. What do i need to do next?
Aug 24, 2017 at 3:43 AM
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STRAILER
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I would start by doing a compression test. also, when you pull the spark plugs out see if one or more of them have different coloring indicating a problem. If you do not have a compression gauge most auto parts stores will rent them for free.

Here is a guide to help us get started:

https://www.2carpros.com/articles/how-to-test-engine-compression

Please let us know what you find.

Cheers, Ken
Aug 25, 2017 at 10:37 AM