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1998 Buick Century Question: high idle: when i start car it idles so fast. why? told i need motor mounts.

 

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detroitglo, Blanca, CO, April 23, 2013, 09:38
 Rookie

because motor goes clunk when i shift from park gear and engine seems to shift. also told i need new catalytic converter because car sluggish when giving throttle to stop problem of high idle. auto zone diagnostic said need erg valve. confused?

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