Question about 2002 Chevrolet TrailBlazer

1 Answer

My blazer has a rough idle - 2002 Chevrolet TrailBlazer

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Master
  • 677 Answers

Do you have a check engine light on in your dash ?
It may be your throttle body is dirty. Run some SEA FOAM engine tune up in the gas when the tank is about 1/4 full, dump the whole can in, drive it for a while then let it sit. If rough idle continues you may have to pull throttle body and clean.

Posted on Feb 05, 2010

Ad

3 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad
emissionwiz
  • 76682 Answers

SOURCE: 95 s-10 blazer idles rough

CHECK FOR A LEAKING INTAKE MANIFOLD GASKET, USE A CAN OF CARB SPRAY AND SPRAY AROUND THE TOP OF THE ENGINE, IF U HIT ON A LEAK U WILL HEAR THE ENG CHANGE TONE AND IDLE RPM.

Posted on Jun 25, 2009

  • 14036 Answers

SOURCE: rough idle blazer 2000

change air filter.clean throttle plates.remove throttle body remove all electrical parts also all plastics and rubber parts.clean throttle body with gum out throttle body cleaner.dry off throttle body.replace gasket.scan it to check to see if egr valve leaking.also check all vacuum hoses.and pvc valve.

Posted on Jul 19, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

95 chevy blazer won't accelerate, has rough idle and back fires


when was the last tune up done on it? have you checked the spark plugs and firing order to make sure it is correct?

Apr 21, 2014 | 1995 Chevrolet Blazer

1 Answer

97 blazer idles rough at 550rpm after changing plugs wires fuel pump and filter


I 2nd the distributor cap. Even generic brands will short out very quickly, use AC Delco brand for that part.

Apr 30, 2017 | 1997 Chevrolet Blazer

1 Answer

Rough idle for 93 chevy blazer 1500


I Have a couple of questions. First question does engine surge when idleing cold? 2. Does engine start quickly without a lot of cranking, Cold or warm? 3. Do you have funny smell at highway speed, or after you stop? With out this info and your imput, I would only be guessing. I am retired mechanic of 25 years. and would like to help if u need me.

Feb 14, 2012 | 1988 Chevrolet C1500

1 Answer

I just got this blazer and noticed that it idles rough what could cause this?


idles rough but fine in a higher rpm. you might have a vacuum leak. to find a vacuum leak i use propane to pinpoint the orign of the leak. when the leak sucks in the propane the engle idle increases. thus you found your vacuum leak

Feb 16, 2011 | 2002 Chevrolet Blazer

1 Answer

Rough idle blazer 2000


change air filter.clean throttle plates.remove throttle body remove all electrical parts also all plastics and rubber parts.clean throttle body with gum out throttle body cleaner.dry off throttle body.replace gasket.scan it to check to see if egr valve leaking.also check all vacuum hoses.and pvc valve.

Jul 19, 2009 | 2000 Chevrolet Blazer

1 Answer

95 s-10 blazer idles rough


CHECK FOR A LEAKING INTAKE MANIFOLD GASKET, USE A CAN OF CARB SPRAY AND SPRAY AROUND THE TOP OF THE ENGINE, IF U HIT ON A LEAK U WILL HEAR THE ENG CHANGE TONE AND IDLE RPM.

Jun 25, 2009 | 1995 Chevrolet Blazer

1 Answer

Idle problems


if it is a vortec 4.3l they were real common for egr valve problems. you can remove the egr check for carbon stuck in the plunger. after cleaning reinstall with a new gasket. New gaskets with a screen are available to keep this problem from happening again the standard part number is VG57. When carbon gets stuck in the egr valve it causes a vaccum leak and rough idle. please rate this if it helps

Nov 29, 2008 | 1994 Chevrolet S-10 Blazer

Not finding what you are looking for?
2002 Chevrolet TrailBlazer Logo

194 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

76673 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22219 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8531 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...