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Question # 31

Truck sets P0301 (cylinder 1 misfire). Compression and spark are good. Injector balance test shows fuel delivery normal. Exhaust backpressure test is 5 psi at 2500 RPM. What is MOST likely?

Options:

A.

Restricted catalytic converter

B.

Bad ignition coil

C.

Leaking injector

D.

Cracked intake manifold gasket

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T Series Overview

Name Automotive Service Excellence: Medium-Heavy Truck series
Code T Series
Vendor Skilled Trades
Certification ASE

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