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89 Silverado...with TBI 350...lean miss question

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Old Mar 21, 2001 | 05:34 PM
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Arctic White 91 RS's Avatar
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89 Silverado...with TBI 350...lean miss question

A friend of mine has a 89 Silverado it has a lean idle miss. It's done this almost since new. Ignitor system is in good shape. Any ideas what might cause this?

My first thought was mis-match fuel injectors.

Thanks
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Old Mar 22, 2001 | 01:10 PM
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He might want to check at a dealer to see if there any updated EPROM's.
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