2002 Suzuki Esteem Misfiring Cylinders

Tiny
EJS1977
  • MEMBER
  • 2002 SUZUKI ESTEEM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 110,000 MILES
My 2002 Suzuki Esteem was misfiring on 3 of the 4 cylinders. I replaced the spark plugs but it still shows it is misfiring. It doesn't have regular wires for the spark plugs. I don't have the money to replace everything. I need to know if I need new wires and possible ignition coil. The car seems to start ok and drive fine sometimes and other times it struggles to accelerate especially going up a hill. Please help.
Tuesday, June 22nd, 2010 AT 2:57 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Misfiring can be caused by the following:

1. Defective spark plug
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. False air leakage.
5. Faulty fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
10. Throttle position sensor.
11. Idle air control valve.
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Tuesday, June 22nd, 2010 AT 3:51 PM

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