Fault Diagnosis - Lotus Europa Owner's Handbook Manual

FAULT DIAGNOSIS
Engine Misfires
-+-
Carburettor
Water in carburettor.
Petrol line blocked.
Petrol pump defective.
Petrol filters choked.
1
Mechanical
Valve sticking.
Valve burnt or broken.
Valve spring broken,
Valve clearances wrongly set.
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gm Ion
High tensilln leads shorting.
Plugs gaps incorrectly set.
Cracked spark plug insulator.
Battery terminals loose.
Condensation in distributor cap.
Faulty rotor arm.
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gmtlon
Low tension terminals loose.
Faulty switch contacts.
Dirty distributor contacts.
Engine starts and cuts out
I
1
Carbureltor
Petrol pipe blocked.
Water in petrol.
Petrol pump defective.
No petrol in tank.
Air leaks.
[
Carburettor
Idling jet blocked.
Slow running incorrectly set.
Float level incorrectly set.
Engine runs on full throttle only
I
1
Mechanical
Valve sticking. .
Valve burnt or broken.
Valve spring broken.
Engine does n9t give full power
~
Carbdrettor
Petrol supply defective.
Air leaks in inlet manifold.
Jets partly blocked.
Engine runs imperfectly
Weak mixture. Petrol supply faulty.
Inlet valve not closing. Incorrect ignition
timing. Carburettor float level incorrect.
Meehan/cal'and Ignition
Ignition retarded.
High tension lead shorting.
Valve burnt or badly seating.
Incorrect valve clearances.
Incorrect valve timing.
Plug leads wrongly fitted.
Faulty distributor cap.
Engine J(nocks
Worn bearings or
pistons. Timing chain
adjustments. Engine too far
advanced. Heavycarbon
deposits.
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