Questions & Answers for: 98 silverado codes

...LATER LIGHT WAS BACK ON WITH CODES BANK 1-4 SYSTEM TOO LEAN. THE TRUCK RUNS WITH NO PROBLEM EXCEPT THE LIGHT ON TRUCK IS A 98 CHEVY K1500 V8 5.7 VORTEC Possible failed bank 1 sensor 1 oxygen

98 silverado codes po420,po430,po446 my truck has a 5.7 and runs fine but service light is on and reads codes po420,po430,po446 i cant beleave that both o2 sensors would be bad ?? could the cats be ...

98 chevy s-10 codes p0131, p0171, and p1133 I have a 98 Chevy S-10 p/u truck with codes p0131, O2 sensor circuit low voltage (bank 1 sensor 1); p0171, system too lean (bank 1); and code p1133, ...

98 silverado 5.7l no power when under load replaced rotorcap and button,plugs and wires ,fuel filter ,catilatic converters,pressure test fuel system,cleaned injectors and changed hole injector unit ...

98 silverado p0300 miltiple misfire replaced distributor,plugs,wires,egr,fuel pump and fuel filter,o2 sensors,cleaned mass air flow, replaced injector spider assy, im stumped on this Do you have any ...

...98 silverado 5.7 runs but skips at idle when in geat whole truck jerks i replace dis.cap, roto button, plugs, wires,fuel filter and tps help me please code reader says p0300 multiple cylinder miss ...

...silverado starts and dies within two seconds. has anyone had this experience before and how did you fix it? my chevy truck ran fine a couple months ago and when i went out to start it the other day, ...

...98 chevy silverado with 5.7 vortec. Engine light flashing runs rough has code P0300, & P1404. Changed plugs, wires, dist. cap & rotor, egr & o2 sensor. What else could it be? Fuel system? ...

wont start My 98 silverado will turn over but not fire what's the deal look for coil defect or low voltage, ignition module, crank sensor depend the year of the truck, engine code, TPS, hope it helps

Silverado 1500. Running fine and just died going down the road. Still getting fire. Any ideas? Check the fuel pressure & flow rate at the fuel rail, but FIRST - if you have a "Check Engine" light,