Step 3 » GENERAL learning environment Category D (D, D1, Tb, Tv)

GENERAL Learning Environment Category D (D, D1, Tb, Tv)
Question 53 of 485

The very rich fuel mixture causes misfires in:

A the exhaust manifold or in the muffler;
B the intake manifold;
C the carburetor or in the fuel pump.

Explanation

Explanation text category D / driving tests:
The very rich fuel mixture, being rich in fuel, causes misfires in the exhaust manifold or in the muffler. And the lean mixture causes misfires in the intake manifold.
Correct answer: A
 
Driving tests category D explained.

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