Question about 2002 Chevrolet TrailBlazer

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Ran out of gas, now idles roughly and service engine light soon comes on

Posted by Anonymous on

6 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

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Chevy Trailblazer 2003 ran the battery down now wont idle

try changing the air filter ,i had a problem ,at ilde in drive my trailblazer would stall, changed the air filter now it's not stalling and got my power back ,there is a secondary air pump that i have to change ,
not sure were it is ? still not running perfect but it's running better .and my service light is on too.
i got it put on scope ,it's the pump .
not sure if this helps ,but i'm start to run in to problems too,i have a 2004 trailblazer.
i like to do fix things myself ,i hope i can.it's the cost if you know what i mean.

Posted on Dec 18, 2008

  • 1 Answer

SOURCE: 2003 Silverado rough idle, idles good after "check engine" light

Check your o2 sensor voltage, those trucks are real bad for o2 sensors, and yes if one sensor is reading 0mv, the others will start to drop out, and the vehicle will run very, rough. You also may check fuel system pressure, should be almost 60p.s.i. If its alot lower, Id be looking into a fuel pump. If that vehicle is drive-by-wire (no throttle cable), the throttle bodies get very dirty and cause that concern also. Id start by having the vehicle scantested.

Posted on Feb 07, 2009

emissionwiz
  • 75797 Answers

SOURCE: rough idle P0300

a faulty MAF will not cause a P0300, just a severe loss of power, look for injector, ignition and intake vacuum leaks as your causes.

Posted on Mar 20, 2009

emissionwiz
  • 75797 Answers

SOURCE: IDLE PROBLEM

Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Apr 14, 2009

  • 1 Answer

SOURCE: Rough idle

I had the same exact problem on my 2004 Colorado (3.5L). Cleaned the MAF sensor (with MAF sensor cleaner) and throttle body/plate - cleared it right up.

Posted on Aug 24, 2009

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Check engine light flashing check engine soon smell of gas and not running smouth


Check engine light flashing means there is a bad misfire , it flashes to tell you your damaging your catalytic converter . You need to have it check , you don't won't to have to replace the catalytic converter . Can cost up to $1,000.00 . Flashing Check Engine Light CarMD

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When the Check Engine light flashes it means there is a significant emissions problem detected and it needs to be fixed very soon. Continuing to drive with this condition will destroy the catalytic converter. You may have gotten debris in one or more of the injectors when the gas got low.
The first thing to do is get the codes read and find out what the computer is reporting bad.

Jan 02, 2013 | 2004 Chevrolet TrailBlazer

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Ran completely out of gas last week - put gas in - car started fine- ran a little rough and idled rough. Now 10 days later MIL light on in dash and perform service message. Won't go out after several


have the fuel filter changed and have the computer checked for codes incase something else is going on and they can be cleared to turn off the light.any dirt in the lines should be out of them by now.its possible that there is dirt in the injectors and a fuel system service should be done to clean them which is a recomended service on all cars anyways.you can have the fuel pressure checked while its in the shop to make sure the pressure is within specs.

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Generally, the problem is in the emissions or something that is affecting the effectiveness of the emissions, but other causes can trigger the light to come on, too. To determine the cause, the vehicle will need to be taken to AutoZone or a shop that has an OBD2 scanner, or for 1995 and earlier models, an OBD1 scanner, While a scanner will not give you the magic answer, it will give you a code that narrows down the problem area.
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misfiring engine is among the most common causes of a rough idle. You may notice your car idling roughly when it's in "Park" or when you're driving it and stop at a stoplight. A rough idle can be caused by damaged spark plugs or spark plug wires or a burned-out valve. It's important to address the cause as soon as possible to avoid potentially damaging the engine. Engine repairs are almost always expensive.
Learn more here:
http://www.chinasinoy.com/service/car-rough-idling-causes-and-how-to-fix-it-108.html

Hope this helpful.
Best regards.

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Son let his car run out of gas, and when he filled it this code appeared with rough idle and stalling code 2002


I had a something similar to this happen to a girlfriend of mine. She has a 98 escort and it ran out of gas and the service engine soon light came on after she filled it up. If this is what your talking about check your owners manual. Most of the time if there is really nothing wrong with car you can drive it around ( Generally 20 min in town and 10 on the hwy with 4 idle periods (4 times of the engine being at idle) - do not cut engine off) and the light will go off. The rough idle code most likely happened when the engine ran roughly because. it was running out of gas.

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