P0190 Diagnostic Trouble Code Discussion for March 2016
Fuel Rail Pressure Sensor Circuit Malfunction
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| Help Request | Posted | |
| 1998 Mercury Tracer LS 2.0L Excessive Emissions, Hesitation, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1MEFM13P8W P0190: Fuel Rail Pressure Sensor. I Got This Nightmare . It Runs Pig Rich. The PCM Is Commanding 48% Fuel Pump. Which Is max Fuel Pressure. I can Lower the fuel pressure with my Bi directional's on my scanner. it's a returnless fuel system. The scanner fuel pressure & gauge are real close.... |
March 24, 2016 |
