2002 Ford E-Series Van

Tiny
CRUZAZUL11510
  • MEMBER
  • 2002 FORD E-SERIES VAN
  • V8
  • 2WD
  • AUTOMATIC
  • 380,000 MILES
I have a code P1151 = lack of HO2S21 switch - Sens Indicates Lean; this E-350 is CNG (natural gas) How can I fix the problem?
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Monday, August 25th, 2008 AT 6:52 PM

2 Replies

Tiny
OBXAUTOMEDIC
  • EXPERT
Hello,

Here are the code def's I have and have found.

P1151 O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1)

P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2

P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2

So, I would change the O2 Sensor in the Exhaust Manifold on the Drivers Side, which would be Bank 2 sensor 1 or the Bank 2 Upstream Sensor.
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Monday, August 25th, 2008 AT 8:14 PM
Tiny
CRUZAZUL11510
  • MEMBER
THAKS; I will do that and I'll let you know.

Hello,

Here are the code def's I have and have found.

P1151 O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1)

P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2

P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2

So, I would change the O2 Sensor in the Exhaust Manifold on the Drivers Side, which would be Bank 2 sensor 1 or the Bank 2 Upstream Sensor.[/Quote:c75a5e6e46]
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Monday, August 25th, 2008 AT 9:01 PM

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