codes shown 45, 51 ,42 whats the probeem starting

5

Asked by Apr 28, 2013 at 02:57 PM about the Buick Grand National

Question type: Maintenance & Repair

i changed coil & module and the crank sensor still no spark

3 Answers

code 42 is "intermittent code" (for the ECU presumably)

45 is Oxygen sensor (rich exhaust) 51 (what I could find PROM error [programmable read-only memory]

I'd look at battery and chassis ground as the cause of many on-board computer problems, also check the age of the battery seven years old is TOO old~

Your Answer

Add photo

Related Questions

Grand National

Looking for a Used Grand National in your area?

CarGurus has 1 nationwide Grand National listings and the tools to find you a great deal.

ZIP:

Search Buick Grand National Questions

Buick Grand National Experts

#1 Joey Warren
Joey Warren
Reputation 130
#2 spideybee
spideybee
Reputation 100
#3 kenet12
kenet12
Reputation 90
View All

Related Models For Sale

Used Buick Regal
131 Great Deals out of 11,077 listings starting at $2,999
Used Chevrolet Camaro
243 Great Deals out of 31,194 listings starting at $369
Used Ford Mustang
543 Great Deals out of 45,845 listings starting at $1,999
Used Chevrolet Monte Carlo
20 Great Deals out of 1,419 listings starting at $1,995
Used Dodge Charger
454 Great Deals out of 29,325 listings starting at $2,300
Used Dodge Challenger
211 Great Deals out of 23,432 listings starting at $7,990
Used Chevrolet Impala
590 Great Deals out of 34,066 listings starting at $899
Used Chevrolet Corvette
150 Great Deals out of 20,684 listings starting at $3,995
Used Pontiac Firebird
4 Great Deals out of 768 listings starting at $1,791
Used Cadillac Eldorado
349 listings starting at $2,450
Used Oldsmobile Cutlass Supreme
128 listings starting at $1,995
Used Oldsmobile Cutlass
125 listings starting at $1,600
Used Chrysler 300
405 Great Deals out of 19,199 listings starting at $850

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.