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> Corolla Wont Start
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post Jun 11 2008, 04:04 PM
Post #1


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Group: Members
Posts: 1
Joined: 11-June 08
Member No.: 12,022
Drives: Corolla
Location: USA




Hi all,

I have a 1993 Toyota Corolla, 1.8 L, 7A-FE engine. The car has 227,000 miles.

The bottom line: The car will rotate from the starter, but will not start.

About 5 days ago, when the weather got hot here in the east, I drove to a parking lot and shut the engine off, when I returned and tried to start the car, it would just rotate but start. After waiting a few minutes it started and ran just fine. Yesterday, the same thing happened except now the engine won't start.

Troubleshooting so far: I tried opening the intake manifold and shot in some starter fluid. My rational was, that would separate the problem from either an electrical issue or a fuel issue. So I shot some in, and the engine would turn over for a few seconds. It wouldn't run long, but it indeed turned over briefly. That seemed to me that it was likely a gas issue, not electrical.

From there I opened the fuel line to the filter, and had a friend crank the engine - nothing. So I figured at that point it could have been the pump. I took the rear seat off and the access panel and turned the ignition to "On". There was no sound coming from the pump. I then connected 12 volts to the pump leads, and it started pumping. But when we cranked the engine, again it didn't start.

I then decided to revisit the electrical issue. I pulled the #1 and #4 plugs and had a friend crank the engine with the plugs grounded. Surprisingly, there was NO spark from either plug. That was odd, I thought, because it would turn over for a few seconds when I sprayed starter fluid into the in take.

From there, I trouble shot the ignition coil and the pick up coil. All resistance is within specs. There is voltage getting to the ignition coil.

There's two issues that I see here: 1) There's no electricity getting to the fuel pump and 2) There's no spark getting to the plugs.

The cap, rotor, and wires are less than 2 years old and are in good shape. All the fuses look OK. I should also note that I am unable to pull trouble codes from the computer (not that I'm technically incompetent, it's just not letting me for some reason wink.gif ) I'm a bit lost from here. It could be the igniter or the computer, I don't know. Has anyone else experienced this problem?
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