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

37,705

Any lights on the dashboard turned on?

2 people found this helpful.
8,935

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

8,935

our EGR valve stuck closed

1 people found this 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,

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