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Stalling/dying


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I need help. I have a 1995 Subaru legacy wagon 5 spd.She has been stalling and dying constantly. This is what I have done so far: changed spark plugs and wires. Changed fuel filter. Changed core.Changed throttle position sensor.Cleaned throttle housing.retrieve codes(throttle pos.sensor. misfire in engine 1 and 3) She has all the symptoms of a bad Erg valve. Stalling loss of power bad fuel mileage. But erg is not where it should be. Even had a shop look we are stumped as it say my car has one. What I haven't done:fuel injectors. Oxygen sensor. Erg.) Car is costing me a lot of money. Can anyone help please? Thank you Chylla

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  • 4 weeks later...

1995 manuals do not have EGR, it's not supposed to have it, only automatics have EGR in 1995, few mechanics know that.

 

1. voltage/battery/alternator are good?

2. read the codes and post the exact codes here - the actual numbers.

3. *when you have multiple codes*: clear the codes and see which one comes back first - like if one appears right away, read it again immediately and tell us which one.

 

Cylinder misfires: Check timing belt, timing tensinoer, timing pulleys

Check fuel pressure - or i'd just pull the fuel supply line by the fuel filter and crank it over and see how much it comes out - i've diagnosed cars in 30 seconds like that before. If it doesn't come out as a steady stream like a garden hose, something isn't right.

 

Throttle Position Sensor - replace it with a used one. If it didn't work, replace it again or make sure it's installed properly.

If you still have a TPS code after replacing the TPS - then check the wiring for the TPS sensor - there are two possible ways:

 

A. Start right at the TPS connector and work your way backwards on the wiring harness - wiggle the wires aggressively while the car is running. A change in idling/running while massaging the wires will indicate a wiring issue in the harness. splice in new wire.

 

B. check resistance/continuity between TPS connector and main engine/intake manifold connector - really easy as they're both adjacent to each other, only a foot apart.

Edited by grossgary
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  • 3 weeks later...

Idle air control valve? My old '97 had a bad one and it was pretty hard to start and had a rough idle. A new one cleared it right up. On our Lexus, when the IACV died, the car would not idle at all. Unfortunately, they are pretty pricey.

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