1. GENERAL INFORMATION MYROAD 700i
POOR PERFORMANCE (ESPECIALLY AT IDLE AND LOW SPEEDS)
Inspection/Adjustment Symptom Probable Cause
Connect the diagnostic
tool, then check EMS and
correct problems.
Check ignition timing
Faulty ignition coil
Correct timing Incorrect timing Faulty CPS
Faulty ECU
Check fuel injector for
clogging
Not Clogged Clogged Fouled fuel injector
Faulty fuel pump
Check intake manifold
for air leaks
Damage insulator rubber
Throttle body not securely
No air leak Air leaks tighten
Faulty intake manifold
Remove spark plug and O-ring
install it into spark plug
cap to test spark by
connecting it to engine
ground
Faulty CPS
Faulty ignition coil
Weak or Broken or shorted
Good spark intermittent spark high tension wire
Faulty spark plug
Check throttle body
Fouled throttle body
Good Faulty Faulty TPI reset
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