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2001 Ford Focus ZX3 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy
Posted to Ford Driveability on 8/27/2011 7 Replies

I have this rich running Focus, it has an electronic returnless system. It chugs, tons of black smoke, misfires, runs like crap. Fuel pressure is about 80-90 psi engine running. KOEO pressure is 44psi. I was getting bad rail pressure readings so I replaced rai...

FIX posted 10/9/2011

7 Replies Received (View Replies)

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car Vehicle Data

2001 Ford Focus ZX3

VIN 3FAFP31361
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / ZETEC
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction