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92 16v sidekick low power
#3
this MPI system
works like this
the MAF measures air flow, (mass) into the engine at all times.
the EFI takes that flow and then adds fuel (injection pulse widths) .
The 02 corrects any errors, from above, during idle or light cruise, but not acceleration or wide open throttle.

so vacuum leaks, cause lean. (02 off line)
a bad 02 can be stuck at 0volts. this causes, rich.
an exhaust leak near the 02, cause 0v. same ends.
http://www.fixkick.com
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Messages In This Thread
92 16v sidekick low power - by billever6803 - 12-05-2016, 02:58 AM
RE: 92 16v sidekick low power - by fixkick - 12-05-2016, 03:15 AM
RE: 92 16v sidekick low power - by fixkick - 12-05-2016, 03:26 AM

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