2001 Ford Mondeo hesitation

2001 FORD MONDEO
110,000 MILES • 4 CYL • 2WD • MANUAL
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GERALDVANT
  • MEMBER
  • 1 POST
my 2.ltr duratec engine hesitates on acceleration below 2000 rpm but no fault codes exist. New plugs, leads and coil helped slightly. the fault is not temperature related
Mar 6, 2010 at 7:24 AM
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Hesitating,lack of acceleration,bogging,chugging etc. could be caused by one of the following below.

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
Mar 6, 2010 at 8:44 PM