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DTC P0153?

Tiny
MIDNIGHTMOON
  • MEMBER
  • 2001 FORD ESCAPE
  • 3.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 300,000 MILES
DTC appeared then when in park vehicle at times vehicle has a runaway idle then when ignition turned off it returns to normal and starts and runs fine. Put a scan tool on it and this is what the freeze frame data for the p0153 showed: P0153 / fuel system closed/ Calculated load 51.4 % / coolant 203 degrees /STFT 1 negative.08 / LTFT 1 positive 4.7 /STFT2 negative 6.3 /LTFT2 9.4 / Engine speed 1617 RPM /Vehicle speed 35 MPH. Checked for leaks at intake and exhaust with no vacuum leaks found. Can't figure out where to go with this any ideas of what the culprit cause would be?
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Wednesday, October 19th, 2022 AT 1:14 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,207 POSTS
The P0153 trouble code is the oxygen sensor is not properly regulating the fuel levels. So, you have a fuel injector that does not close completely at times. You may be able to remove the spark plugs and look for the one that is darker than the others which will be the cylinder that is having the issue. Here is a generic guide on how to replace the injectors that will help walk you through the process with instructions below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-a-fuel-injector

Check out the images (below). Please let us know what happens.
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Wednesday, October 19th, 2022 AT 10:22 AM
Tiny
MIDNIGHTMOON
  • MEMBER
  • 3 POSTS
Do I need a bidirectional tool to set the new injector or is it plug and play? Someone told me I would need to set the injector to the vehicle with a bidirectional tool when replacing it.
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Wednesday, October 19th, 2022 AT 11:41 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,207 POSTS
Nope, plug and play, let me know what you find.
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Thursday, October 20th, 2022 AT 11:12 AM
Tiny
MIDNIGHTMOON
  • MEMBER
  • 3 POSTS
Rescanned the vehicle and it's also throwing code P1151 along with the p0153 and the intermittent run away idle in park.
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Friday, October 21st, 2022 AT 9:58 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,207 POSTS
P1151 is a Lack of upstream heated oxygen sensor switching, which means the sensor is way lean or rich which a bad injector can do. I would service the throttle bore and do the injector work.

Here is a guide to help walk you through the cleaning:

https://www.2carpros.com/articles/throttle-actuator-service

Please go over this guide and report back.

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Saturday, October 22nd, 2022 AT 11:13 AM

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