I have a 1999 Mazda Millenia s 2.3 liter I have a code of p0 173 and I was wondering if someone can tell me how I can repair that thanks

Asked by May 25, 2013 at 11:18 PM about the 1999 Mazda Millenia 4 Dr S Supercharged Sedan

Question type: Maintenance & Repair

2 Answers

250,875

That code is for a vacuum leak. Check all hoses after the MAF for proper connections and cracks. Easist way to find is start the car, open the hood, and move the hoses around listening for air escaping. Also check all plastic elbows and connections. You can also use spray some starting fluid around the hoses and if there is a leak, the idle will increase.

150

second on the vacuum leak. there are 3 actual "t" shaped 3 way connectors, one of them is probably cracked and leaking. they are cheap, but labor intensive to replace. you will have to remove the intake. not too difficult, but it takes a while, because there are so many parts. look at your map sensor, it lives on a bracket behind the passenger side upper strut mount. there is a solenoid which has a vacuum line, follow that line to the snout of the compressor. you will see one of the "t's", but i dont think you have room to change it. farther in from this T is another, and both are famous for breaking. i just changed all the vacuum lines and tees(there are also several 'Y' shaped connectors) on both our 99's

2 of 2 people found this helpful.

Your Answer

Mazda Millenia Experts

  • #1
    Steven Cisneros
    Reputation
    750
  • #2
    Keith12345
    Reputation
    420
  • #3
    Tom Demyan
    Reputation
    230
View All

Related Models For Sale

Used Ford Mustang
759 Great Deals out of 42,755 listings starting at $1,300
Used Toyota Camry
1,076 Great Deals out of 72,629 listings starting at $990
Used Mazda MX-5 Miata
68 Great Deals out of 4,207 listings starting at $2,000
Used Nissan Maxima
327 Great Deals out of 23,747 listings starting at $1,750
Used Mazda 626
182 listings
Used Mercedes-Benz E-Class
471 Great Deals out of 19,742 listings starting at $1,500
Used Chevrolet Corvette
252 Great Deals out of 22,296 listings starting at $2,500
Used Acura TL
171 Great Deals out of 5,015 listings starting at $999
Used Honda Accord
1,019 Great Deals out of 62,742 listings starting at $999
Used Lexus SC 300
37 listings
Used BMW 3 Series
1,043 Great Deals out of 31,563 listings starting at $1,000

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.