1990 Chevrolet K1500 "test engine speed sensors cat" Questions

...test I would be replacing the HO2S sensor ( manifold or before the cat on bank 2 of the engine ) or more likely a failed cat converter you may have had the P 0320 code for a long time and have not ...

...engine light is on, and muffler shop can't check cats for ristrictions cause van has 2 cats so they say they can't test them. Any ideas? Ignition Wires on wrongWorn out Cats ...

ENGINE" Light Failure • 21 VANOS -Electrical Fault or Activation VANOS Inlet Valve (MS43) • 22 Fuel Injector Cyl 3 • 23 Fuel Injector Cyl 6 • 24 Fuel Injector Cyl 4 • 25 Lambda Sensor Heater -Bank 1 •

...test ,no discrepancies found If the RPM is higher at any particular speed than before, the only cause could be that the transmission is slipping. Things like O2 sensors, Catalytic converters, fuel ...

...engine suddenly dies at travel speed. Cranks no start have scanned for any codes --many reasons need to narrow down --is it a fuel delivery or no spark --------try starting with starter fluid if ...

...test meter though its easy with the right gear ,the two wires with the same colour should read 12v heater circuit and the other two should read a variation from 8v to 12v depending on engine ...

...engine and hold light on, took it to have diagnosed and they said speed sensor and possible oxygen sensor or catalytic converter if vehicle has covered more than 150.000 miles then cat could be going ...

...speed sensor was not blown but missing. Some one had removed the fuse. After putting a fuse in place everything worked fine. Just saying might need to start over from the beginning. P1129 DODGE: Code ...

HAD THE CAT CHECKED, THERE GOOD. WAS THINKING THE O2 SENSORS MAY BE BAD? Check erg and purge valves to make sure they are not stuck open. Also test the throttle position sensor. Is the engine light on

...engine seems to run fine. truck seems to run normally at city driving speeds 0-45 mph. took truck to advance auto put on scanner and no codes show up. a friend of a friends mech, said it is either a ...