• Tiny
  • j.stieg
  • 2002 Chrysler Town and Country
  • 169,000 miles

Try to get a 02 town and country running again after putting a universal oxygen sensor in. The van ran good before.

I was on my test drive and was looking at O2 sensor activity and would go down to 0 volts. The van started lacking power, running rough and then quit. The odometer was reading "done"

It will just chug every now and then when I try to start.

I bought a direct fit 02 sensor and there is no change.

It will only start if I dump gas in the intake. I think the PCM is not driving the injectors, what would cause that?

I would like to get to the bottom of this.

Saturday, July 7th, 2012 AT 12:07 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Wait and back up. Check the fuel pressure first before going off on a tangent. Basics first.

Check fuel pressure. It may be a bad pump.

Why the universal sensor? Bad decision. Why did you replace it?


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Saturday, July 7th, 2012 AT 12:11 AM

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