Question about 2000 Chevrolet Venture
Code po135-02 sensor heater circuit malfuction bank 1-sensor 1,where is it located?
It's the oxygen sensor screwed into exhaust manifold on driver side.
Posted on Jan 20, 2013
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Posted on Jan 02, 2017
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.
Posted on May 04, 2010
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