Escorts 2nd SAS

[escort_gts]

Reading up on why my tbird does the samething, they said it could be an injector hanging up or open all the time because of it going bad or the computer needing replaced.

Best thing to do is take a screw driver and put it up to each injector and listen for the clicking of the opening and closing.

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Well, I can do that to the pass side 3 but the driver side won't be as easy to get to.
If for some reason its injector related I will replace the fuel rail and regulator. And the rusted out valve cover too....and would be a good time to upgrade the power steering pump.

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[escort_gts]

Just filled the gas tank. Got 11mpg and last fill up was 15mpg. So definitely something is wrong...but what can it be?

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[036speed]

That is close to my 4 mpg!

That sucks man. I hope you figure it out. I am not an engine guy so I dont have any info to pass on.

 

[dangerranger83]

5.0 time.

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[escort_gts]

5.0 time.

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I've been thinking of it lately

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[4.0B2]

nah.. the 4.0 is fine.
Just gotta get it straight.

 

[dangerranger83]

nah.. the 4.0 is fine.
Just gotta get it straight.

A jeep 4.0 lol

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[Downey]

There is a "coolant temp sender"(1 wire) and an ECT sensor(2 wires)

The ECT sensor tells the computer the engine temp via coolant temp so similar to the "sender" for the gauge.
The ECT is the "choke" for a fuel injected engine, easy to test with OHM meter
http://oldfuelinjection.com/?p=28

If ECT is telling computer engine is cold all the time then it would be the same as running with the "choke" on in a carbureted engine

With key off remove a fuel injector connector and test wires for a ground, no injector wire should have a ground with engine off, test as many as you can get too.
A shorted to ground injector wire would mean when key is on injector would be open, 24/7.

If you have a test light just connect it to battery +, then touch the light to each wire for the injector, if it lights you have a short, and on the '94 I think 3 injectors would be open, batch fire.

i cant take credit for this i found this in another thread.

 

[escort_gts]

Hmm. Ill check that out. Thanks for the info

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[escort_gts]

Well....filter isn't the problem.


Going to borrow a pressure gauge from my cousin, what's normal pressures for it?


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[PlumCrazy]

Look in the tech library. Im pretty sure the pressures are listed in the 4.0 section

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[escort_gts]

Look in the tech library. Im pretty sure the pressures are listed in the 4.0 section

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Ill Google it. Kind of hard to look up while on the phone.

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[PlumCrazy]

Ill Google it. Kind of hard to look up while on the phone.

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That's why I didn't look it up.lol

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[escort_gts]

Found that it says 35-45psi. 35 seems low to me.

If it was pressure related, wouldn't it have the problem in any gear under full throttle at 4k+ rpms? Only time I notice is in 4th or 5th gears around 2500 to 3000 rpm

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[UrbanRedneckKid]

When I had issues with my FP in the 94, it wouldn't run worth a damn under 40psi. It maintains a good 43psi currently, with no issues.

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