1992 Chevrolet Suburban "running rich" Questions

...the injectors. Its time to have a shop look at it, the rich o2 sensors may be because gas is poured in. Scan data needs to be checked while engine is off, cranking and running to diagnose the

...Running to rich. Would it be a fuel injector problem? try maf sensor YOU MAY WANT TO CHANGE THE FUEL FILTER OR CHECK THE FUEL PERSSURE ON IT IF THE PSI IS LOWE IT WILL RUN THAT WAY

runs rough too rich replaced oxy. sencer &temp. sencer.1987 suburban 350 .thinking about changing maps sencer next That may help. Also check for fouled plugs. Also check the fuel pressure ...

runs poorly(very Rich, stumbles) when map sensor is plugged in, but runs smoother with it unplugged...new map sensor, EGR, TPS, O2, Fuel Pump, timing is right, good vacuum at map, no vacuum leaks, If ...

...running rich. fuel pump and vacuum hoses sound like reasonable fixes? Idle air control (IAC) control rpm idle during idle. Test it on idle with ALL electrical on full force. RPM should increase. If ...

99 suberban missing at idle after warm 5.7 after warmup starts to miss at idle ,was coding 0300.I changed the coil and fuel filter,ran injecter cleaner it stoped coding but still missing . is no miss ...

runs rich, loads up, hesitation when first taking off or idling give it gas and it hesitate or sputters? New plugs and plug wires on truck , also new coil pak, and alternator. Any suggestions? It ...

...testing went out in the 50s. The questions are: is it consuming oil, is it running rich, any error codes? How is fuel mileage? What are the exhaust readings? The answers to these dicate the next

...rich. The service engine soon light comes on after vehicle runs for 20 mins or so and warms up. It will go off, then come back on. I have installed a cyclone in the air intake to improve mileage. A ...

I'd also replace the spark plugs. If they have a sooty, black coating your engine is running rich. Does the engine light still come on? If same code, you need to check that circuit out more fully