Mechanics

MAKING A LIGHT TICKING NOISE

1993 Ford Aerostar

Noises problem
1993 Ford Aerostar 6 cyl Four Wheel Drive Automatic 330000 miles

Yesterday my van started making a very light ticking noise when I started it up. The idle was a little rough and there was some hesitation. I thought that it sounded like a misfire. I changed the plugs a few months ago, so I thought it couldn't hurt to change the wires. I just finished changing the wires and the noise is still there.
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Marybrown1979
September 4, 2009.



IS the sound coming from he top of the engine? Could it be a lifter / rocker arm?