Question about 1992 Subaru Legacy

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Wont start I started my 92 legacy wagon,it ran for 20 seconds,then died. Now when I try to start it, it turns over but will not start,and a strong smell of gas. I changed the plugs and they all smelled of gas really bad. any ideas what it could be?

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  • windspirit22 Jan 02, 2009

    I started my 92 legacy wagon,it ran for 20 seconds,then died. Now when I try to start it, it turns over but will not start,and a strong smell of gas. I changed the plugs and they all smelled of gas really bad. any ideas what it could be?It is fuel injected,and how do you check the coil?

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Have you verified the fuel pressure is ok? do u hear the pump run turn the key on do not crank the engine, the pump should run and shut off in about 5 seconds, u can hear it at the gas cap (take cap off) as a faint whirling noise, if u hear it run then pull the coil lead and put a well insulated screw driver into the coil lead, u should get a strong yellow/white spark that will jump at least 1/2", if not check the ignition module. If u have access to a scanner check for fault codes in the computer for engine fuel injection, a fault in the ignition will most likely leave a code, u can buy a basic scanner for around $35-45, it will pay for itself the 1st time u use it, it saves a trip to the shop.

Posted on Jan 02, 2009

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If the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.

TIP: To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. IF it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.

TIP: Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.

TIP: Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the schraeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine.

Posted on Jan 02, 2009

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Hi and welcome to FixYa,

Initially, for the vehicle to smell gas, will turn over/crank but not fire/run, a couple of ideas to consider/explore and check:

  • check for spark at the ends/electrodes of the sparkplugs. Remove them and re-connect the sparkplug wires. Crank, there should be spark at each ends. Pls be reminded of safety procedures involved when working on raw fuel, sparks and must work in a well ventilated/open area;
  • likewise check the plugs when removed, if wet or dry with fuel;
  • with the use of a voltmeter or even just a test light, verify the presence of IGN B +12 on one of the wires of the injector while the other would be pulsating when engine is cranked;
  • additional areas to check are the distributor, rotor, cap and ignition coil;
  • incidentally, on the ignition coil, again one terminal must have an IGN B+12 while the other terminal would be pulsing while engine is cranked.
Good luck and Thank you for using FixYa. Happy New Year.

Posted on Jan 01, 2009

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Hello, it sounds like you have an injector that's stuck open. Did you check to see if your getting spark? Let me know and we'll work this out.

Posted on Jan 01, 2009

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If that is a carburater on that motor the float is sticking

Robert

Posted on Jan 01, 2009

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