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- Path: sparky!uunet!dtix!darwin.sura.net!spool.mu.edu!agate!linus!philabs!sjh
- From: sjh@philabs.philips.com (Steve Herman)
- Newsgroups: rec.autos.tech
- Subject: Re: *** 87 Chrysler 2.2 Liter Engine ---Mixture Stuck Ritch--HELP!!!!!
- Keywords: Fuel injection haywire
- Message-ID: <1993Jan12.143100.3828@philabs.philips.com>
- Date: 12 Jan 93 14:31:00 GMT
- References: <1993Jan11.151918.21590@cbnewsd.cb.att.com>
- Sender: news@philabs.philips.com (Mr. C. News)
- Organization: Philips Laboratories, Briarcliff, New York
- Lines: 36
-
- In article <1993Jan11.151918.21590@cbnewsd.cb.att.com> hhm@cbnewsd.cb.att.com (herschel.h.mayo) writes:
- >My 87 Plymouth Reliant flunked its emission control test due to too
- >much O and other components indicating overly rich mixture.
- >
- >I dumped the diagnostic codes, and got nothing. So, I replaced all four plugs
- >all four plug wires, as well as the distributor cap and rotor and retarded the
- >ignition slightly.
- >
- >On the second test, it flunked again.
- >
- >I replaced the O2 sensor, and reset the timing to specs, 12 degrees BTDC.
- >
- >On starting the engine, it runs fine until it warms up, then runs roughly,
- >a classic symptom of over-rich mixture.
- >
- >Now, when I dump the diagnostic codes, I get a 52, which indicates that the
- >mixture is stuck rich. I checked the injector by unplugging it and cranking the
- >engine. No leakage was detected.
- >
- >
- >I'm at the end of my rope. The Chiltons guide DOES NOT GIVE ANY PROCEEDURE
- >for dealing with this failure. Does anybody have any idea what the %#&*%$
- >is wrong??? Heeeeelllllp!!!!
- >
- >
- > Larry Mayo
- >
- >
- >
-
- My 76 Plymouth Volaire had the same problem. It turned out that
- there was a Chrysler recall in 76-77. It called for the installation
- of a special temperature sensor in the radiator hose. Check the
- recalls.
-
- Steve
-