Ol Fault Fuel System 1

Ol Fault Fuel System 1. I have an 2.3l ford transit petrol on a 2004 plate. Fuel pump runs when key is turned.

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Hold the button for at least 1 second, but not more than 3. Hi, i have an mk4 ford fiesta 1.25 zetec and have had it plugged into my obd scanner and it says i have an open loop fuel fault and that its not going into the closed loop so the fuel mixture is rich and so its burning more fuel. Had an issue with the fuel system not being normal in scanner.

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Received 1 like on 1 post. I am suddenly not showing fuel pressure (low pressure side) but my sensor is new and the wiring from sensor to ecm has been checked and is good.

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So, i believe that the rear plugs are also fine. It runs and drives great, has plenty of power, it doesn't miss a beat for the most part.

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Turn the ignition switch to the on position. The problem i have with it is erratic tick over.

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The fuel system status then went to open loop fault. So, i believe that the rear plugs are also fine.

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There is a resistor coil in the sensor that immediatly starts to heat up when you turn the motor on so that when the pcm goes into closed loop the pcm starts adjust a/f ratios. It occurs under heavy acceleration or wide open throttle condition.

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Had an issue with the fuel system not being normal in scanner. Discussion starter · #1 · jun 18, 2013.

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Racing beat exhaust, hps cold air intake, 60mm throttle body, hypertech tuned. Giving the subreddit a chance for some opinions:

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I also replaced the air filter, cleaned the maf and tb and checked the intake hose for cracks. The descriptors for these codes indicate that there is a lack of switching from the upstream oxygen sensors as indicated by the processor.

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The engine vibrates and rocks before it stalls. It runs and drives great, has plenty of power, it doesn't miss a beat for the most part.

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It was a sensor calculate the air to fuel ratio in the exhaust pipe and send that as electrical signal to the (ecu) that use it to correct the fuel injection timing in result to have economy of fuel and low bad gases in exhaust. We got codes for a bad pedal sensor which we replaced.

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The flash series are separated by 3 second intervals. No check engine light really catches me off guard.

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Giving the subreddit a chance for some opinions: Im getting no trouble codes up just on the fuel system says i have that.

It Runs And Drives Great, Has Plenty Of Power, It Doesn't Miss A Beat For The Most Part.

Fuel pump runs when key is turned. Trying to resolve my sons running issues on an '04 sentra 1.8l mt. I also replaced the air filter, cleaned the maf and tb and checked the intake hose for cracks.

I Found The Gm Related Solution Which Is Of No Help Because Of Differences In Tables.

There is a resistor coil in the sensor that immediatly starts to heat up when you turn the motor on so that when the pcm goes into closed loop the pcm starts adjust a/f ratios. Fuel system 2 status : Basically, under a wot condition the ecu goes into open loop and sets the fuel output to max.

The Descriptors For These Codes Indicate That There Is A Lack Of Switching From The Upstream Oxygen Sensors As Indicated By The Processor.

We got codes for a bad pedal sensor which we replaced. I have an 2.3l ford transit petrol on a 2004 plate. As soon as car gets its hiccup and starts shaking from rough idle:

Had An Issue With The Fuel System Not Being Normal In Scanner.

It was a sensor calculate the air to fuel ratio in the exhaust pipe and send that as electrical signal to the (ecu) that use it to correct the fuel injection timing in result to have economy of fuel and low bad gases in exhaust. Watch the diode light and count the number of flashes in the 3 flash series indicating a fault code. Looked at a spark plug, looks fine.

There Are 4 Wires To This Sensor 2 Are.

Maf sensor very dirty cleaned same thing, read something about up sream o2 sensors changed them same. It's a 99, 4.6, 5 speed manual with 80k miles on it. The engine vibrates and rocks before it stalls.