the fuel system running too lean Bank 1(passive) is caused byCode P0171

A number of thingsmay causecode P0171

These plugscausedP0300 code

NOTE # 3 : Note that low fuel pressure , or other conditions that cause a lean fuel mixture can cause sparkplugs to overheat and fail intermittentlywill ... causecode P0300

due to a system lean reading(passive) is setCode P0171

Corolla keepssettingcode P0171

either(passive) is triggered byCode P0171

within minutes(passive) is setCode P0171

This 3.8l windstarhas been settingcode P0171

the bank one oxygen sensor(passive) is triggered byCode P0171

This vehiclesetscode p0171

as " pending(passive) is setP0300 code

bad stumble incidentswill causecode P0171

If these engine codes are present as well the you should diagnose those firstare ... causingcode p0300

in the Powertrain Computer(passive) is setthe code P0300

An engine with low compressionmay causea code P0300

no gasoline engine ... the causessetcode P0171

2000 Saturn LS2 V6 engine(passive) being setP0300 code

the PCMmay setcode P0300

a fault in oxygen sensor readingcan causep0300 code

one or more things , including a faulty component or a lack of maintenance(passive) can be caused byCode p0300

This trucksetsa code p0300

a bad fuel injector(passive) could be caused byCode P0300

many different issues such as the following(passive) can be caused byCode P0300

fuel or air delivery ... and not cylinder specific(passive) is ... caused byP0300 code