1997 Chevy Cavalier air fuel mixture

1997 CHEVROLET CAVALIER
139,000 MILES • 4 CYL • 2WD • AUTOMATIC
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PEPSIMAN1957
  • MEMBER
  • 1 POST
ck eng light on code p1071 system lean 1 bank have replaced #2oyx sensor-pickup coil for 1and4bank and throttle position sensor and this code still kicks light on where do i go from here
Feb 27, 2010 at 4:37 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 31,937 POSTS
Hi there,

A lean mixture can indicate a vacuum leak in the induction system, often spraying a little starter fluid around the manifold while idling will pick up a leak, the revs will pick up when nit get a sniff of the starter fluid, but just a little as it is very volatile stuff.

mark (mhpautos)
Feb 27, 2010 at 4:58 PM
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