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[pete1666]

Hi my tappets are getting louder is this a common problem?
i`m only getting 21 mpg is this on the low side or do i have more problems?
and sometimes it pull well and others times it fells flat.

Cheers Pete

[Marks DTM Calib]

I assume you mean the followers given that Vx havn't made a tappet based engine for about 15 years (unlike Ford)

The ideal would be to check the oil pressure to ensure there is no loss of pressure.

Alternatively, a good oil change and possibly a dose of Wynns lifter treatment might be in order.

[gizza]

try the wynns stuff put it in when the engine is warm run the car for 500 miles then replace oil and filter for vauxhall stuff

[The Cambelt Kid]

Pete - I'm having similar issues too!  If I have a close listen while the engine is ticking over I can hear reasonably loud ticking noises from the cam shaft/injector area.  It seems to be coming from under the plenum chamber.

I originally thought it was noisy injectors / exhaust manifold but having read this I suspect what Mark_DTM diagnosed!

I’ll try some Wynn’s treatment if that’s what the experts advise.  I would also look forward to improve MPG as mine gives me around 24.5 (mixed) whereas I’m sure I was getting 29 when I bought the car.  Failing that maybe my blowing back box is kerbing my MPG?

Cheers fellas