"Fiat Punto 188 Engine Control Unit Bosch ME7.3 H4

Replacement - Decoding - Virgin

Common Failures and Symptoms

• Total Malfunction: The vehicle does not communicate in diagnostics and won’t start.
• Immobilizer Repair: Decoding and resolution of issues related to the car's code that prevent starting.
• Engine Won't Start: Sometimes without diagnostic errors; power is not reaching the spark plugs.
• Missed Ignitions: The engine runs poorly with missed ignitions.

Fault Codes Detected

Here’s a collection of the main error codes identified during our work:

• P0269 Cylinder 3 Contribution/Balance
• P0202 Injector Circuit/Open – Cylinder 2
• P0130 O2 Sensor Circuit

Customer Reports

Here are some of the most significant issues reported by our customers:

• "Ignition coil command defect on cylinder 3 - the car runs on 2 cylinders."
• "Check engine light comes on and goes off while driving; I have diagnostic errors."
• "The vehicle won't start and I can't access diagnostics."

Revised ECM Units

• ME7.3 H4
  • 0261206984 26SA7144 00468019630 Y
  • 0261207901 1039S00103 0055180311 5
  • 0261206339 1037352995 00467826320
  • 0261208030 1039S02302 00551885990 A