92 S10 RUNNING RICH

1992 Chevrolet S-10

Tiny

TDTHOMPSON

August, 8, 2011 AT 1:22 AM

92 S10 4X4 4.3L RUNS RICH (BLACK SMOKE) COOLANT SENSOR READS PROPER AS PER THREMOTER THE TPS AT IDLE SHOWS.46V THE MAP IS AT 4.95 V KOEO AND 2.34 @IDLE THE HO2S IS AT.467V KOEO AND.867-.980V IDLE
IS IT POSSIBLE THAT THE FUEL PRESSURE REG IS STUCK SHUT OR INJECTOR THAT BAD
OR IS A ECM NOT RESPONDING CORRECTLY?

FOUND 362 RELATED QUESTIONS

Runs Rich

20 ANSWERS

720 Running Rich

22 ANSWERS
1 IMAGE

2 Answers

Tiny

saturntech9

August, 8, 2011 AT 1:37 AM

The map sensor is at 4.95 volts at idle?If that is way off.

Tiny

saturntech9

August, 8, 2011 AT 1:40 AM

Have you checked for codes?

Please login or register to post a reply.

How to read codes Chevrolet Blazer
Code Read Retrieval/Clear Scion XD
How to gather codes Ford Explorer
Read Codes Like a Pro