good day, I'm asking for assistance, I'm driving jaguar s type the problem I'm having is it misfire and no compression. please help.

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1999 S-Type V8 (added by GGG)

 

Welcome back to the forum Patrick,

I've moved your question from Jaguar Forums Feedback & Suggestion Centre to S-Type forum. This is the place to post questions about your model.

Graham

 

Have the primary and secondary timing chains, guides and tensioners been replaced with the latest, uprated versions?

It is possible the engine timing is off causing lack of compression. Remove the cam covers, then use the crankshaft pulley bolt to rotate the engine in a clock direction whilst facing the vehicle from the front. Line up the 'flats' on the camshafts to see if they are in alignment for each individual cylinder bank.

Report back what you find. You can also use the search function for this forum to see other threads as this subject has been discussed many times previously.

 

Read up on "Bore Wash".
When you understand that come back and fill in more details.
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Here you go:

JagRepair.com - Jaguar Repair Information Resource