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Monday, July 12, 2010

How To Diagnose Engine Poor Acceleration.

HYUNDAI AZERA,This case probably occurs to the car due to human error.Car car was engine overhaul last to months. Due to engine overheating Radiator fan not working we found out that has an accident at the front and the fan module damage. it is not covered by warranty, we make total estimate for all the damage, after finish the owner take his car. then after two months again come and the problem is poor acceleration.
Model: Hyundai Azera
Year Model: 2009
Mileage: 40715km
Fuel: Gasoline
Displacement: 2700cc
T/A : Auto
Subject: Engine suddenly  poor acceleration – Engine compartment Junction box.
1) Condition:
  1. Suddenly engine poor acceleration.
  2. Engine excessive vibration.
2) Cause:
  1. internal engine compartment fuse box.
3) Diagnosis:
  1. Scan tool check
    = Fail safe ( limp home of throttle body, oxygen sensor, Oil control valve, Camshaft position sensor.)
  2. Visually Check up
    = lift up the car by lifter to check if there is a damage. Front damage due to accident. and fix from outside workshop but some front harness wire dislocation from the original position.
  3. Check the engine compartment fuse box if damage only  scratch.
  4. pull out and check the wire connector – Ok
  5. Re-fixed again the engine fuse box then connect the GDS(Global Diagnostic System) the trouble code is different from the first trouble code.
  6. So replace the engine fuse box with good fuse box then start.
  7. The problem disappeared.
4) Repair Guide
  1. Replace engine compartment fuse box.
more azera study? | more info?
Hyundai Cars Elantra

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