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Old 08 Jul 2006, 05:27 pm
qiman13@hotmail.com
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Default Re: 91 civic gas mileage

throttle sensor?
for sure just problem when hot?
if not, could be just a clogged fuel filter or bad connection in fuel
pump?




qiman13@hotmail.com wrote:
> You commute 168 miles per day?
>
> I have a 1991 Civic DX and I get 40mpg CITY! I use this:
> http://www.rxp-gas-kicker.com
>
>
>
>
> From: Richard Santmier via CarKB.com - view profile
> Date: Fri, Apr 15 2005 9:35 am
> Email: "Richard Santmier via CarKB.com" <f...@nospam.CarKB.com>
> Groups: alt.autos.honda
> Not yet ratedRating:
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>
> I figure anyone who can answer this is hard core Honda.
>
> I have a 91 Civic LX, 1.5 liter, manual 5 speed, AC, power steering,
> windows and door locks. It has an erratic gas mileage and idle
> problem.
> Anytime it sits in the heat after being run, when it is first turned
> on,
> engine already warm, will idle at 2k until it runs a distance. It
> seems
> like something overheats and then cools down once air starts moving.
> Strictly a warm weather problem. Also, after idling in the heat for a
> while the AC just cuts off AND the cooling fans quit too. The only
> thing I
> can do in traffic is turn the heater on wide open until the fans decide
> to
> come on.
>
>
> Next, maybe related, the gas mileage is all over the place. I commute
> 168
> miles a day, same traffic patterns, same roads. Yet on Monday it may
> be 37
> mpg and the next 30 mpg and on Wednesday back up to 35. I?d say the
> average is around 34.
>
>
> Background: Car owned since new, 309k miles, replaced alternator,
> distributor, primary fuel injector and EACV. The O2 sensor replaced
> several times and the ECU was swapped just to see if it makes a
> difference,
> no it didn?t. If you need further details or history please let me
> know.


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