Robert:
Unplug the MAF and see if anything changes. Might just be the MAF
connector. Ford had a recall for some of these connectors. Build internal
corrosion and cause high resistance. New ones are available from Ford.
Vacuum leaks can cause a super lean condition. Check the vacuum hoses
carefully. It's a very old and high mileage car. The rubber will be very
hard and brittle.
I think your cylinder balance test is off because of the other problems.
Finally check the fuel pressure. Is the pump loud?
.
.
> The good.... I recent acquired a 95 mtx with 189K miles. I has no leaks,
> has been 100% dealer serviced its entire life by the
> original owner. Interior in like factory new too, even the driver's seat.
> The car apparently has had a CE light for a while, so
> the previous owner just parked it rather than sort out the problem.
> Overall the car is in factory new condition. The front license
> plate holder is still in the trunk wrapped in a plastic bag.
>
> The bad....
> 1) The heater/defroster blows only cold air. My guess is a bad blend door
> motor. Isn't that the most likely fault?
>
> 2) CE light - The engine has NO power. Idles ok, but as soon as you touch
> the throttle, it lays down. Just acts like it's
> completely choked on a way too rich mixture. On the highway, once you
> finally get up to speed, it goes, but has no throttle
> response. CE light comes and goes at random intervals throughout the range
> of speeds, idling, low loads, high loads. I have a pile
> of known good spare parts, but would like some advice before I start
> blindly throwing parts at it. Please help! TIA!
>
> KOEO codes 181 and 189
> KOER codes 159 and 225
> Cylinder balance test fails #2, 3, 4 & 6
>
> Bob Bruce
> 92 w/ a mod or two
> 95 mtx 100% bone stock
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