Truck wont start

Asked by Jan 24, 2017 at 07:11 AM about the 2003 Chevrolet TrailBlazer EXT LS 4WD SUV

Question type: Maintenance & Repair

I have a 2003 chevy trailblazer v6 4.2 my
fuel pump is good.my fuel filter is good my
relays are good..but my truck still wont turn
on.once i put a rag with gas near the filter
goes it turns on but goes right back off once
it sucks the gas out...pleasseeee helpppp

3 Answers

113,535

Yes it will because your fuel pump is not pumping enough gas pressure to the injectors, you need to put a gauge on the rail and see what the pressure is. You will also need to look at the fuel pressure regulator...

113,535

https://www.youtube.com/watch?v=sGDG4LkdzFU

113,535

The pump pressure is I believe 55 PSI

Your Answer

TrailBlazer EXT

Looking for a Used TrailBlazer EXT in your area?

CarGurus has 10 nationwide TrailBlazer EXT listings and the tools to find you a great deal.

Postal Code:

Chevrolet TrailBlazer EXT Experts

  • #1
    jimjimjim
    Reputation
    440
  • #2
    John Carson
    Reputation
    130
  • #3
    chevyp2p
    Reputation
    110
View All

Related Models For Sale

Used Chevrolet TrailBlazer
32 listings starting at $3,900
Used Chevrolet Tahoe
3 Great Deals out of 746 listings starting at $3,995
Used GMC Envoy XL
18 listings starting at $1,987
Used Chevrolet Suburban
548 listings starting at $2,871
Used Chevrolet Silverado 1500
196 Great Deals out of 10,079 listings starting at $1,995
Used Dodge Durango
180 Great Deals out of 1,110 listings starting at $4,490
Used GMC Envoy
4 Great Deals out of 25 listings starting at $2,945
Used Ford Explorer
21 Great Deals out of 1,571 listings starting at $1,799
Used GMC Yukon
4 Great Deals out of 873 listings starting at $3,800
Used Jeep Grand Cherokee
152 Great Deals out of 3,607 listings starting at $3,500
Used GMC Yukon XL
15 Great Deals out of 699 listings starting at $4,499
Used Chevrolet Blazer
16 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.