Re: What are the symptoms? (archive)

If I understood your reply you do hear the whine when the engine is running, in idle, car in neutral. It changes pitch slightly when you rev the engine while in neutral? If this is correct it is most likely the fuel pump. It is changing pitch due to the slight increase in battery voltage as you rev the engine. Most fuel pump failures do not result in fuel leaks. If the above conditions are correct it eliminates such thing as drive shaft, whell bearings etc. Could be a transmision input bearing but you don't want to go there.

Sounds more like a fuel pump failure. What are the conditions that you hear the whine? Engine running, key on, engine not running, car in motion, high or low engine RPM, front or rear of car, etc.?

When the engine is running. Wouldn't I see a leak with a fuel pump failure? I don't know. The pitch of the whine increases when I accelerate, and decreases to a lower tone when I decelerate. It's also apparent when idle. It seems as though the noise is coming from underneath the car in the middle near the rear.

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Found it! Gat_Turner 10:18 10/21/2001 (0)

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