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Home
Chevrolet
Suburban
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
CHEVROLET SUBURBAN P CODES (POWERTRAIN) P0400 - P0499 P0420
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Found 1 result
P0420 Engine Code
My '98 Suburban, 5.7l, 4sp Auto, 4wd And 176,000 Miles Is Giving The Subject Code Indicating "catalyst Efficiency Below Normal (bank 1...
Asked by
caddiac
·
7 ANSWERS
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