how do i find a vacuum leak on a 3.9 ltr engine

Asked by Sep 24, 2014 at 02:24 PM about the 2001 Dodge Dakota 2 Dr SLT 4WD Extended Cab SB

Question type: Maintenance & Repair

my truck is lacking power when in drive , it will rev up when not gear, but will not rev up when in gear, told of a possible vacuum leak, ive replaced all the vac lines,, whats next

4 Answers

31,925

Any lights on the dashboard turned on?

2 out of 2 people think this is helpful.
7,075

have you changed the trans fluid? are any fuel lines pinched ? is y

7,075

our EGR valve stuck closed

1 out of 1 people think this is helpful.

fuel pressure is good, check engine light is on, egr valve is ok, and ive changed the trans fluid when I did the 100,000 service the truck only has 127,000 on it,

Your Answer

Add photo

Related Questions

  • vacuum diagram 1 answer

    I have encountered a vacuum problem while doing an engine swap from 1995 3.9 Liter V6 automatic with a 1996 version that used to have a manual transmission. The engine turns but would sputter at idle ...

    1995 Dodge Dakota 2 Dr Sport Standard Cab SB

    -

    Maintenance & Repair

  • the 3.9 v6 in my 2002 dodge dakota started knocking and spewed oil out of the front of the engine block, what the heck happened to my motor? 9 answers

    i think i blew the 3.9 V6 motor in my 2002 dodge dakota. it knocks durring idle now and oil spewed from the front of the block covering the fan, alternator, and what i believe to be the heat pump. it...

    2002 Dodge Dakota 2 Dr SXT Standard Cab SB

    -

    Maintenance & Repair

  • 1990 dakota 3.9 engine 1 answer

    I need the rockers id on the passenger side and where they go

    1990 Dodge Dakota 2 Dr S Standard Cab SB

    -

    Maintenance & Repair

  • engine light 1 answer

    Why is the check engine light on? We repaired a vacuum leak, light came on again within 200 km. Truck runs fine otherwise.

    2003 Dodge Dakota 4 Dr SLT 4WD Quad Cab SB

    -

    Maintenance & Repair

  • will the 3.9 magnum fit into an 89 dodge dakota sport? 3 answers

    I have an old 89 dodge dakota that just blew a head gasket, was just going to go ahead and replace the engine. Would it be possible to put the 3.9 magnum that Dodge made into the truck? or maybe even ...

    1989 Dodge Dakota Sport Standard Cab 4WD SB

    -

    Car Customization

Dakota

Looking for a Used Dakota in your area?

CarGurus has 4,388 nationwide Dakota listings starting at $995.

ZIP:

Search Dodge Dakota Questions

UK Questions

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

Dodge Dakota Experts

#1 banana
banana
Reputation 980
#2 Samantha Brown
Samantha Brown
Reputation 960
#3 Snidely
Snidely
Reputation 830
View All

Related Models For Sale

Used Dodge Ram 1500
527 Great Deals out of 13,262 listings starting at $1,800
Used Ford F-150
3,210 Great Deals out of 205,087 listings starting at $1,779
Used Toyota Tacoma
713 Great Deals out of 32,123 listings starting at $2,000
Used Ford Ranger
228 Great Deals out of 7,053 listings starting at $1,200
Used Chevrolet Silverado 1500
2,743 Great Deals out of 149,176 listings starting at $1,500
Used Nissan Frontier
477 Great Deals out of 22,550 listings starting at $2,200
Used GMC Sierra 1500
1,057 Great Deals out of 58,734 listings starting at $1,599
Used Chevrolet S-10
10 Great Deals out of 1,632 listings starting at $1,795
Used Dodge Durango
379 Great Deals out of 22,648 listings starting at $1,500
Used Dodge Ram 2500
187 Great Deals out of 5,708 listings starting at $2,900
Used Toyota Tundra
643 Great Deals out of 27,762 listings starting at $3,200

Used Cars For Sale

2010 Dodge Dakota For Sale
11 Great Deals out of 128 listings starting at $5,799
2009 Dodge Dakota For Sale
4 Great Deals out of 94 listings starting at $7,900
2008 Dodge Dakota For Sale
19 Great Deals out of 335 listings starting at $3,295
2007 Dodge Dakota For Sale
15 Great Deals out of 381 listings starting at $3,990
2006 Dodge Dakota For Sale
23 Great Deals out of 660 listings starting at $1,500