
1997 Mazda Protege DX 1.5L Poor Idle Quality, MIL Lamp on
this vehicle came to my shop with the check engine lite [...] had code P0421 cat converter warm up bank 1 [...] lower cat and both O2 sensors were [...] driving about 15 miles the engine runs rough for a split second and the check engine light comes [...] engi...
Summary posted 4/15/2004
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Message Closed w/Summary
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VIN | JM1BC141XV |
Engine | 1.5 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / multi-port injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Hot, Intermittently |
Trouble Codes
P0421 | Catalytic Converter Efficiency (Bank 1) |
Message Closed w/Summary
Vehicle Data
1997 Mazda Protege DX
VIN | JM1BC141XV |
Engine | 1.5 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / multi-port injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Hot, Intermittently |
Trouble Codes
P0421 | Catalytic Converter Efficiency (Bank 1) |