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91 civic stalls, decrease in mpg
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CarGuru > Honda > 91 civic stalls, decrease in mpg 1 February 2005 22:14:37

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91 civic stalls, decrease in mpg

Guest 1 February 2005 19:33:02
 I have a 91 civic dx. The past few months the car will either stall, or
jerk then lose almost all power. The check engine light comes on when
this happens. It happens only occasionally, but during all types of
driving ( highway, 35 mph, or even just staarting up). If i turn the
car off and turn it back on, it resets and the car is fine for awhile.
The other symptoms are the mileage went down from ~35mpg or better
every tank, to 27-28mpg on the last three tanks. The other thing is
when i got an emmisions test my mechanic said it didnt pass the HC at
first (234 reading w/ 220 limit). He let it warm up for half an hour,
then did it again and it passed.

Any suggestions would be helpful. Could it just be the o2 sensor or
something else simple?

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Motsco_ _ 1 February 2005 20:06:10 permanent link ]
 mjr1001@pitt.edu wrote:> I have a 91 civic dx. The past few months the car will either stall, or> jerk then lose almost all power. The check engine light comes on when> this happens. It happens only occasionally, but during all types of> driving ( highway, 35 mph, or even just staarting up). If i turn the> car off and turn it back on, it resets and the car is fine for awhile.> The other symptoms are the mileage went down from ~35mpg or better> every tank, to 27-28mpg on the last three tanks. The other thing is> when i got an emmisions test my mechanic said it didnt pass the HC at> first (234 reading w/ 220 limit). He let it warm up for half an hour,> then did it again and it passed.>
Any suggestions would be helpful. Could it just be the o2 sensor or> something else simple?

-------------------­------

You've probably changed your timing belt at least twice by now, based on
age (we don't know your mileage), but have you adjusted your valves? Do
you have stinky exhaust once it warms up? Do your records show a new PCV
along the way?

Add comment
Guest 1 February 2005 20:43:16 permanent link ]
 
motsco_ _ wrote:> -------------------­------>
You've probably changed your timing belt at least twice by now, based
age (we don't know your mileage), but have you adjusted your valves?
you have stinky exhaust once it warms up? Do your records show a new
along the way?

Actually it only has 77k on it, so the timing belt is most likely the
original (I bought it with 43k). The exhaust doesnt smell unusually
bad.

As far as time to change the PCV, I think, well hope, that might me
premature. Does anyone know if cleaning it out is easy/practical?

Add comment
Motsco_ _ 1 February 2005 22:14:37 permanent link ]
 mjr1001@pitt.edu wrote:> motsco_ _ wrote:>
-----------------­-------->>
You've probably changed your timing belt at least twice by now, based>
on age.
-------------------­---------
Actually it only has 77k on it, so the timing belt is most likely the> original (I bought it with 43k).

-------------------­---------

If that's the case, you're living on borrowed time. I doubt a belt has
ever lasted FOURTEEN years . . . :-(­ Time is just as important as mileage.

'Curly'

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CarGuru > Honda > 91 civic stalls, decrease in mpg 1 February 2005 22:14:37

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