I KEEP GETTING A CODE 33AIR INJECTION REACTOR ...

  • Tiny
  • Anonymous
  • 1994 Dodge Spirit
  • 15,000 miles

I keep getting a code 33-air injection reactor switch solenoid. What is this and how do I fix it? I just got the car about a month ago and I want the check engine to go away. Please help me

Monday, December 3rd, 2012 AT 4:27 AM

3 Replies

  • Tiny
  • caradiodoc
  • Expert
  • 25,431 posts

Never heard of that code so I looked it up:

33 - a/c clutch relay circuit, open or short detected

The Spirit and Acclaim never had air injection pumps.

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Monday, December 3rd, 2012 AT 11:11 AM
  • Tiny
  • dustinwoodworth
  • Member

Ive also looked that code up and.I found two answers, one being the a/c clutch relay circuit open or short detected, and the other is the air injection reactor switch solenoid. My spirit throws a code 33 once in a while as well, id like to know what I can do to keep this light out without putting electrical tepe over it. I have my a/c unplugged because I took the belt off bacause its seized. Could this be the reason why I have a light?

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Thursday, December 20th, 2012 AT 3:29 PM
  • Tiny
  • caradiodoc
  • Expert
  • 25,431 posts

Yup. The computer may not test the circuit unless it is requesting the compressor to run, as in when using the heater in defrost mode. If the belt has been removed the clutch can remain plugged in so that code won't set. It may try to engage but the compressor won't run. The computer won't know that, or care.

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Thursday, December 20th, 2012 AT 3:35 PM

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