i have the codes from the scanner but i dont know what they mean. the first one is po171/ popo443/ po304.

Asked by Jun 29, 2014 at 04:02 PM about the 1999 Mercury Cougar

Question type: Maintenance & Repair

i just like to find out why my engine light wont go out. i have to smog my car in june so i need to fix this asap can you please help me. thanx tanya

4 Answers

59,165

Sounds like you have a vacuum leak. Code P0171 is a lean condition. Code P0443 is the EVAP system purge valve is malfunctioning. Code P0304 is a misfire on cylinder number 4. HTH. -Jim

1 out of 1 people think this is helpful.
104,385

http://www.obd-codes.com/p0171 -- check this out for possible causes and solutions.

1 out of 1 people think this is helpful.
104,385

http://www.obd-codes.com/p0304

1 out of 1 people think this is helpful.
Best Answer
104,385

http://www.obd-codes.com/p0443

Best Answer

Your Answer

Add photo

Related Questions

Cougar

Looking for a Used Cougar in your area?

CarGurus has 235 nationwide Cougar listings and the tools to find you a great deal.

ZIP:

Search Mercury Cougar Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Mercury Cougar Experts

#1 lisagayle
lisagayle
Reputation 2,090
#2 Tom Demyan
Tom Demyan
Reputation 670
#3 FordNut
FordNut
Reputation 610
View All

Related Models For Sale

Used Ford Mustang
534 Great Deals out of 42,737 listings starting at $1,699
Used Chevrolet Camaro
400 Great Deals out of 40,630 listings starting at $3,500
Used Mitsubishi Eclipse
44 Great Deals out of 1,506 listings starting at $2,495
Used Chevrolet Corvette
283 Great Deals out of 20,515 listings starting at $3,688
Used Honda Civic
811 Great Deals out of 70,573 listings starting at $1,200
Used Ford Taurus
308 Great Deals out of 21,034 listings starting at $1,800
Used Mercury Grand Marquis
28 Great Deals out of 2,149 listings starting at $1,985
Used Ford F-150
3,013 Great Deals out of 207,755 listings starting at $1,000
Used Ford Escort
450 listings
Used Chevrolet Impala
901 Great Deals out of 35,272 listings starting at $1,700
Used Toyota Camry
1,158 Great Deals out of 97,109 listings starting at $1,250
Used Mitsubishi Lancer Evolution
18 Great Deals out of 639 listings starting at $13,977