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hi new to the fourms nice site need some help concerning engine noise i got a p reg 306 xrdt the cars been running fine for a very long time this morning the turned the car and i took about 10 seconds to turn over then this mad knocking loud noise is coming from engine now the car is on the red fuel wise could this be why any help thanks
 

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peterg60 said:
hi new to the fourms nice site need some help concerning engine noise i got a p reg 306 xrdt the cars been running fine for a very long time this morning the turned the car and i took about 10 seconds to turn over then this mad knocking loud noise is coming from engine now the car is on the red fuel wise could this be why any help thanks

Hi and welcome to the forum :thumb:

Could be just about any one of the following-

~Excessive carbon build-up in engine.
~Fuel injection system fault.
~Vacuum leak at carburetor, throttle body,
inlet manifold or associated hoses.
~Faulty carburetor.
~worn or faulty fuel pump
~low cylinder compression

I assume you have checked all fluid levels?
Without actually hearing the sound its difficult to be more precise sorry
 

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knocking is never a good thing. does it make the noise whilst the vehicle is stationary?
is the car serviced regularly?
is there plenty of oil in it?
how many miles has it done?
is the noise a clicking, knocking or banging?
mine started making a noise recently, i lifted the bonnet and figured out that the noise was coming from the alternator. I got a new one from the scrap yard but when i took it out i discovered that the fault was actually a worn bearing on the pulley tensioner, i sourced one for £25 .oh well, i suppose ive got a spare alternator now in case the old one fails
 

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the moose said:
Hi and welcome to the forum :thumb:

Could be just about any one of the following-

~Excessive carbon build-up in engine.

Unlikely cause of noise

~Fuel injection system fault.

nope, not a fuel pump fault, smoking/advanced/retarded ignition fault maybe..
~Vacuum leak at carburetor, throttle body,
inlet manifold or associated hoses.

Diesels dont have carbs

~Faulty carburetor.

the car is a diesel.

~worn or faulty fuel pump

unlikely given the symptoms

~low cylinder compression
Maybe but if this was the case it would probbably be down to a cylinder head gasket failure.
two ways to spot this
is there oil/water leaking from the midddle of the engine?
better still, when the car is cold, take the lid off the radiator expansion tank/radiator and get someone to crank the engine.. a load of bubbles whilst the ewengine is beeing turned over is a sign of cylinder head failure

Without actually hearing the sound its difficult to be more precise sorry

quite true
Ive made my points in the above
 
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