1997 Chevy Cavalier air fuel mixture

1997 CHEVROLET CAVALIER
139,000 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
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
Advertisement
Avatar
MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
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
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.