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How to replace the speed sensor?

(1997 Chevrolet Astro)
in Abington, MA on August 11, 2010
the van only goes 20mph even when your foot is on the gas pedel,
Displaying 2 answers & 0 comments
Popular Answer
Agree with Roy, clogged Cat Converter or insufficient fuel pressure or fuel pump volume!
on August 11, 2010
sounds like a clogged cat converter. go to a shop and have it checked.

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