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- Newsgroups: rec.autos.tech
- Path: sparky!uunet!cis.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!cbnewsk!stevenh
- From: stevenh@cbnewsk.cb.att.com (steven.t.heinsius)
- Subject: Re: Help with engine diagnosis
- Organization: AT&T
- Distribution: usa
- Date: Mon, 21 Dec 1992 21:32:20 GMT
- Message-ID: <1992Dec21.213220.20079@cbnewsk.cb.att.com>
- References: <1992Dec18.174608.26143@swlvx2.msd.ray.com>
- Lines: 65
-
-
- I would bet ==> no codes
-
- And since i had a similar probem at 50k and 140k
- i would go spend the 65 dollars and replace the
- iginition pick up sensor -- in the distrubutor
- ( i think it is a hall effect switch)
-
- Good Luck
-
- Steve
-
- ps i have an 86 gts 2.2 turbo 5spd
- -----------------------------------
- From article <1992Dec18.174608.26143@swlvx2.msd.ray.com>, by hsd@swl.msd.ray.com (HERBERT DASILVA):
- > jnissen@austin.ibm.com () writes:
- >
- >> Ralph Zottola writes:
- >
- >>> I need help diagnosing an engine problem. I have a 1987 Chrysler
- >>> LeBaron with a 2.2L turbo engine. When the engine is hot, it hesitates
- >>> badly with normal acceleration. It is fine cold, at idle hot or cold,
- >>> with heavy acceleration, or at speeds above 55mph. It seems as if it
- >>> cuts out to shift when rpm is below 2500. It does this in neutral as
- >>> well if I race the engine. I had the fuel pump and filter replaced one
- >>> month ago. The timing was also done at that time.
- >>>
- >>> Any suggestions as to where I should begin to look?
- >>> --ralph
- >
- > First thing to do is check the computer for codes. It'll tell you if
- > anything that it monitors has any serious problems. If you need
- > instructions, mail me.
- >
- > Automatic transmission then? Fluid up to level? (Check it hot with engine
- > idling, in Park)
- >
- > Sounds like a timing problem or ignition problem...
- >
- > Who did the timing? A dealer or garage? If garage, did they know they have
- > to disconnect a sensor to set the timing correctly?
- >
- >>Have you checked the throttle position sensor? A partially bad sensor may be
- >>giving the computer a bad feedback signal and then your problems show up.
- >
- > You need a voltmeter to test this. Disconnect the sensor and check the
- > resistance values through the full range of pedal travel. Slowly have an
- > assistant depress the pedal and look for dead spots in the sensor.
- >
- >>Is the turbo charger healthy? The bearings making any sound?
- >
- > It's probably not the turbo, since Jim says the car is fine under heavy
- > acceleration.
- >
- >>Any net advice on a turbo going out?
- >
- > Turbos HOWL when the bearings start to go. It sounds like you've got a
- > company of fire engines under the hood at full throttle. At idle, it may
- > sound like there's a large pepper grinder behind the engine. Typically, peak
- > boost begins to suffer, then boost lag increases, all the time the howling
- > gets louder...
- >
- >> Jim Nissen jnissen@jnissen.austin.ibm.com
- >
- > Herb "Mopar Maniac" DaSilva
-