Questions & Answers for: Chevrolet trouble code bank 1 2003

...9l "v" engine. I currently have 2 codes 171 bank 1 runs too lean & 174 bank 2 runs too lean. my tech says it's the intake manifold? does this make sense? Most likely cause is the intake manifold ...

...code P0135 Bank 1 Sensor 1 Hello dillonca: My name is Roger and I will help you. There should be two sensors. One in the exhaust manifold back by the firewall. This is sensor 1 bank one. The other is ...

...bank 1 on a chevy is on the drivers side youll have 4 O2 sensors sensor 1 bank 1 is on the engine side of the cat converter sensor 2 bank 1 is after the cat converter (drivers side ) bank 2 is on the ...

...trouble code P0141 for a 2003 chevy cavalier. P0141 states O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2). Is it before or after the catalytic converter. This will be an after the cat ...

trouble code P0420 means,In order to maintain low emissions of hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx), the engine controls system uses a 3-way catalytic converter (TWC).

code and something with the o2 heater? its the O2 Sensor, depending on what bank its on, depends what one needs changed.. bank 1 or A is the sensor on the exhaust closes to the engine, and if its bank

...the idle runs too high @ 1200 rpm when its @ operating temp It had 1 trouble code, idle speed too high Its a v6 3.1 A very common cause for your issue is a faulty TPS, ( throttle position sensor

...code will say bank 1 or bank 2 or no bank designation. Some have converters coming off each cylinder bank (exhaust manifold off cylinder head) if only 1 converter in system (no bank) there will only ...

I have a 1998 chevy milibu and I am getting codes po300 and po172 po172 is system rich bank 1 and po300 is multiple cylender misfire. i would get a full tuneup. sparkplugs and sparkplug wires.

...Lean (Bank 2) fuel trim is system to modify injector pulse if system go lean it will go rich when the system is too much lean and is max.rich it code look for 02 sensor bank 1 and 2 data hope it ...