Code po135-02 sensor heater circuit malfuction bank 1-sensor 1,where is it located?
I'd say the O2 sensor needs to be replaced
SOURCE: 98 chevy s-10 codes p0131, p0171, and p1133
http://www.obd-codes.com/
go there look up the codes there all there
SOURCE: I got 96 chevy c2500 pickup, 5.7 vortec, engine
Check your bank 2 plugs for colour (do they look hot like they running hot ). Check you EGR Exhaust Gas Recirculation valve (looks like a 80mm diameter spaceship with a vacuum line to the top of it) If this remains closed the engine runs very hot and causes misfire. Possible causes are EGR not opening are 1) perforated diaphragm 2) encrusted valve stem 3) clogged exhaust gas feed pipe. A quick check for function: run the engine and remove the vacuum tube. The engine note should change as the tube is connected and then disconnected. Also pushing on the underside of the EGR with your fingers to lift the diaphragm to open the valve should also result in change in engine note. If its not working just disassemble the EGR and clean with carb cleaning spray, also clean the exhaust gas feed pipe likewise.
SOURCE: I have a 2000 chevy Astro Van with approx 200,000
replace sensor between catalytic convertor and muffler
SOURCE: Code p0141 02 Sensor Heater Circuit Malfunct Bank #1 Sensor2
after the catalytic converter on the driver side in the exhaust pipe.
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