Question about 1993 Plymouth Voyager

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Hello, how many o2 sensors on a 93 plymouth voyager? I believe it's just one upstream, just making sure. Thanks

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  • mrcmoved2lv Sep 28, 2010

    Sorry, Forgot to mention that it's the 4 cyl 2.5L engine.

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  • Plymouth Master
  • 2,050 Answers

Upstream would be before the Catalitic converter. You need one after, or downstream also. Most v-6 engines will have three (Two upstream, before cat) and one or two downstream. (After cat)

Posted on Sep 28, 2010

  • mrcmoved2lv Sep 28, 2010

    sorry, it's the 2.5L 4 cyl engine. Do you still think I might have 2 or just the one upstream ahead of the cat?

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1 Answer

Catlis system below thresh hold bank 1


Catalyst System efficiency below threshold means that the O2 sensor behind the catalytic converter is reading more hydro carbons than what it views as normal. Either, your catalytic converter is bad and not changing the carbon monoxide into less volatile gases or you have something upstream causing the issue; it is running too rich, etc.

Dec 26, 2014 | 2000 Plymouth Voyager

1 Answer

I am trying to loceate the o2 sensor bank 1 sensor 1 on a 1997 plymouth voyager se


That would be the sensor on drivers side closest to front of vehicle or in front of catalytic converter.Hope this helps!!

Apr 20, 2011 | 1997 Plymouth Grand Voyager

1 Answer

Check engine light on, all fluids are fine!


Hello,

If you can go to a local Auto Zone they offer FREE code scanning of your PCM. This will tell you (most of the time) what is wrong, more often then not it's the O2 sensor.

An O2 sensor for your Plymouth is about $45, however you may have more then 1.

This is the best advice I can give you, I hope this helps.

Dec 29, 2010 | 1992 Plymouth Grand Voyager

2 Answers

I plug in a de-coder. It says, "P0133"


P0133 is a 'lazy' O2 sensor, bank one, side one-it is on the same side as number one cylinder and is in front (upstream) the catalytic converter. O2 sensors get 'lazy' or switch slowly as they get older die to deposits building on the tips or dirt around the outside of the sensor. On a scanner that does real time monitoring, you should see that it is switching between higher readings (.8-.9 volts) and lower readings (.1-.2 volts)-it is expected to perform these 'switches' at a certain rate and if the ECU (brainbox) determines that it is under-reporting, it sets the code. As a rule of thumb, an upstream O2 sensor should be replaced at 100,000 miles. This will assure better overall performance as the O2 sensors ability to monitor the engine is critical.

Dec 24, 2010 | 1996 Plymouth Voyager

2 Answers

What's causing a '97 plymouth voyager minivan to get P0134 & P0401 diagnostic code faults with dash 'checklight' for service?


According to the manual

P0134= Right Rear (or just) Upstream O2S Stays at Center

Discription=Neither rich or lean condition detected from the oxygen sensor.


P0401 =EGR System Failure

Discription= Required change in air/fuel ratio not detected during diagnostic test.

hope this helps

Dec 14, 2010 | 1997 Plymouth Voyager

1 Answer

I have a 97' Plymouth Grand voyager, I jacked the front up about 10" and replaced the O2 sensors. When I was done I turned on the car and It made a squeeking sound from the belt area it sounded like...


yes they can be tightened reach your hand in there with the engine cold and the key off does the belt feel loose if you get water oil on your belt it will make noise

Nov 29, 2010 | 1997 Plymouth Voyager

1 Answer

Replace oxygen sensors


these engines have 1 upstream o2 sensor and 1 downstream o2 sensor..the 1 in the rear exhaust manifold is the upstream and the 1 after the converter is the downstream..make sure you replaced the right one

May 15, 2009 | 1998 Plymouth Grand Voyager

1 Answer

I drove my 1997 Plymouth voyager one day and then the next morning went out to start it, and it won't fire. It tries to turn over with no luck. We have a code outfit, and it gave us one code, for the...


Generally, if it crank good but won't start, have a helper crank it while you visually check for spark at the spark plugs. If spark everywhere, use a gage and check proper fuel pressure and fuel injector pulse, if your missing everything, I'd check the cam and crank sensor signals. If only one system has a problem, we can check that one system. Could be other issues?

Sep 03, 2017 | 1997 Plymouth Voyager

1 Answer

Two codes...need the actual physical location of oxygen sensors


pop the hood and look behind the engine in the middle....you'll see o2 sensor on the top of the exhaust pipe unplug it and remove it ............second o2 sensor is located on the same pipe under the passanger seat under the car

Mar 04, 2009 | 1996 Plymouth Grand Voyager

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