Question about 2006 Buick Rainier

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2006 buick rainier engine idle surges and check engine light for fuel cap

When at idle, the engine will cycle up and down in RPMs. Forgot the fault code now, but it had something to do with a possible fuel cap seal or something.

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6ya6ya
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Posted on Jan 02, 2017

GM Elec
  • 1000 Answers

SOURCE: "unidentified" Fuel System issue - check engine light on

What you have is a vacuum leak in the evaporative emission line.
The solenoid valve or line is broken allowing un-metered air to enter the intake system and is causing the high idle.
Once the leak is fixed, the codes can be cleared and you should be OK barring any additional problems, but the vacuum leak needs to be fixed first.
Let me know.
Regards,

Posted on Mar 26, 2009

  • 3 Answers

SOURCE: 2003 Buick Century Custom and the Service Engine Soon Light

You will need to have a reputable mechanic do a diagnostic check on the car to determine the problem. This should pull up a code number in your car's computer and help point the mechanic and you in the direction of the malfunctioning part/s.

Just today, I had a diagnostic check done on mine for nearly $45.00. The mechanic was able to figure out the reason why my service engine light was staying on. I knew my car's radiator fans failed to run when car's engine was hot except when the A/C was running. I had changed out the sensors and was never able to get the light to go out or get the fans working. They were able to determine that the 25 amp fuse for the fans located under the hood was blown. After replacing it, the fans worked as they should, my car runs cooler and the engine service engine light is now out. Of course there are many possible reasons why the service engine light may come on including problems with the car's emissions. A reputable mechanic can solve your problem.

Posted on Apr 09, 2009

emissionwiz
  • 75817 Answers

SOURCE: I have a 2004 buick rainier and i,m getting a code po410

P0410 Secondary Air Injection System Malfunction
I am very familiar with this failure code, you are going to have to replace the secondary air injection pump, it has a failed motor in it, the code really indicates no airflow from the pump when commanded to be on.

Posted on May 28, 2009

  • 10865 Answers

SOURCE: How do I remove the drivers side door panel on a

First of all look around the door handle for screws, remove any that you see there. then the door panel is held in place with a number of clips that attach to the inside of the panel and then into holes in the frame. Use a stiff blade putty knife to gently work your way around the door and remove the panel. If you break a clip or two, I usually do, not to worry as they are available at any auto parts store.

Posted on Mar 06, 2010

  • 701 Answers

SOURCE: How many quarts of oil does a 2006 Buick Rainier

Hello bhensel: My name is Roger and I will help you. The v-6 engine holds 7qts. with oil filter. The v-8 engine holds 6qts.of oil with filter change. Should you need further help please just ask. Please rate your answer. This way i know it was helpful. Thank You for using Fix Ya. Roger

Posted on Mar 27, 2010

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2006 GMC Yukon, 3/4 ton with tow package will not idle above 1200 rpms/10-15 mph


check ICS for correct operation
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at 1200 rpms you are not on the idle circuits but on power circuits
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2006 Buick Rendezvous labors when n park & o in idle. Slight vibration & feels like engine is straining. Up running it seems fine, plenty of power.Fuel injectors or? Plugs good, wires new a year ago


Do you have a check engine light on? If so have you had the PCM fault codes read? It sounds like you have a misfire in one or more engine cylinders, and that is most noticeable at idle and in drive.

Jun 09, 2016 | 2006 Buick Rendezvous

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Location for 2006 buick rainier EVAP purge solenoid


You should have an EVAP leak test done . It could be a leaking purge valve , you could need a new gas cap as well or it could be the fuel filler neck . or assorted hoses or the fuel tank pressure sensor . If the check engine light is lit there will be a code .
DTC P0442: Evaporative Emissions (EVAP) System Small Leak Detected or
DTC P0455: Evaporative Emission (EVAP) System Large Leak
DTC P0446: Evaporative Emissions (EVAP) Vent System Performance
You have to jack up the vehicle , the purge valve is attached to the engine behind the A/C compressor .

Dec 01, 2015 | 2006 Buick Rainier

1 Answer

04 buick rainier, charge light goes off during high rpms


have the alternator bench tested for problem in regulator or rectifier. check and adjust the drive belt. Charge light should go off at at idle and remain off during whole of engine operation
if they come on at idle it means that the alternator is not producing a charge current and needs attention.

Feb 11, 2015 | 2004 Buick Rainier

1 Answer

I recently changed the sparks plugs on my 2007 Nissan Versa and now I am getting random idle problems while my car is in park. The car will idle from 1400 rpms them all of a sudden jump up to 2100 rpms and...


If your check engine light is on have it scanned for fault codes. Also check to make sure you don't have a vacuum leak, you could of pulled a hose loose accidently when you changed your plugs.
Signals from the oxygen sensor, and/or a bad throttle position will also cause engine surge.
Good luck, i hope this helps.

Jun 28, 2011 | 2007 Nissan Versa 1.8 Sl Hatchback

2 Answers

My 2006 Chevy Silverado 1500 5.3 L engine surges +/- 200 rpm between 30-59 mph in final drive gear...in lower gears runs fine. No check engine light or computer code generated until recently which showed...


a bank 1 or a bank 2 generally means an 02 sensors bad. or you may simply have a faulty gas cap. i would try the gas cap 1st,make sure it's tight, the engine running for a few minutes,then cut engine off. then open gas cap,do you hear pressure [air] releasing from the fuel tank? ok if not that,then if bank 2 is really bad,your check engine light would be on. but if the idle control sensor is bad,no light would be on at all. and it[engine] would idle up and down.or would'nt idle at all,or would idle up and down,just like what you've described. good luck and thank you for choosing fixya.com and please let me know if i'ved assisted you!

Feb 20, 2011 | 2006 Chevrolet Silverado 1500 2WD

1 Answer

My 1991 Buick Regal (3.1 engine) use to start a high RPMs and then slowly, as the engine warms up, the RPMs would come down to about 800, which is the normal. However a few weeks ago, it started to start...


Hi,
You need to get your engine coolant thermistor checked and tested. This is what tells the ECM when the engine temperature is at normal working temperature and turns the idle down.
But when the idle won't come down from cold to warm this is usually the main fault.
Hope this helps.
Thanks
Jason

Jan 28, 2011 | 1991 Buick Regal

1 Answer

2006 Buick Rainier stalled. The oil gauge reads


Fairly common problem on the 03-06 Rainier instrument clusters, it's caused by failing stepper motor on the cluster's circuit board and it can be fixed. Check out this page for more on it - Rainier oil gauge broken

Jul 30, 2010 | 2007 Buick Rainier

1 Answer

My gas gague goes to empty and it makes my engine light come on


Most likely the CEL is because you need a new gas cap. But first make sure it's your 'Check engine Soon' light and not the 'low fuel' indicator.

Jul 25, 2010 | 2005 Buick Rainier

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