
2003 Pontiac Grand Am SE 3.4L Poor Fuel Economy, MIL Lamp on
a brief thanks to all. first i have ran into this problem dont know where to start. customer came in one day about needing a tune up . just plugs ..request by customer. replaced plugs cust. takes car home a week later car gets tow in, fuel pump went out replac...
FIX posted 9/17/2008
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Message Closed w/FIX
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VIN | 1GNNF52E63 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy, MIL Lamp On |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2003 Pontiac Grand Am SE
VIN | 1GNNF52E63 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy, MIL Lamp On |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |