Backfire

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Definition: Fuel ignites in the intake manifold, or in the exhaust system, making loud popping noise.

Preliminary Checks

  • Refer to the Powertrain On Board Diagnostic (OBD) System Check.

  • Refer to Important Preliminary Checks.

  • Refer to Visual/Physical Checks.

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Service Manual Table of Contents

Document Tags

Document Title: Backfire

fuel

exhaust

system

check

refer

sensor

following

intermittent

ignition

conditions

signal

ground

position

camshaft

damaged

cylinder

engine

spark

tester

connect

plug

wire

coil

cracks

resistance

range

improper

mechanical

valve

inspect

possible

ignition system

spark plug

spark plugs

engine mechanical

spark plug wire

value outside specified

outside specified range

engine mechanical check

check exhaust system