Question about 2007 Pontiac G6
4 Cylinder,2.7 Liter Engine, 129K Miles, 4 Door Hard Top. I have checked the fluids resulting in normal. Upon acceleration whether it be at a stop light or passing another vehicle, the gas pedal functions and the engine sounds like it is trying to accelerate. But the car just coasts, I let up on the gas pedal try again and the same result. By the third or fourth time my drive train will kick in my actual speed will increase. I am also have another problem with something sounding like it rattling. It sounds like it is coming from the passenger said from rhw front panel area. Have you heard of any other similar problems or have any suggestions. Thank you for your time and help. Sincerely, Chris Little
Take to Autozone (or similar) and have the Check Engine Light codes printed out for you. Probably getting misfire codes P0300, 0301, 0302, 0303 and/or 0304. Code P0300 is for random/multiple (2 or more) cylinder misfires, whereas the others are denoting which specific cylinder (last digit) is misfiring. Then work it out from there. Misfires occur when you are missing one or more of necessary items for combustion - Fuel, Air, Spark & Timing. If you get the code 0300 (random/multiple), then it points to something that all the cylinders are commonly using - Fuel rail pressure, Air Intake/Throttle body area, Common Coil Pack (spark), or Camshaft/Crankshaft position sensors (timing). If you get the code for a specific cylinder (example, P0302 - Cylinder #2 misfire), then you need to look at the necessary items of combustion for just that cylinder. Fuel = Fuel Injector working? Air = Do you have compression in this cylinder? Spark = Do you have good spark? Spark Plug? Plug Wire? Plug Wire Boot? , There are tons of Youtube videos on diagnosing misfire codes. Good luck.
Posted on Apr 20, 2014
This sounds like a transmission problem. I would take this into someplace like an Aamco. Have them do a diagnostic for 80 bucks to eliminate that or get it fixed while it is still cheaper to do.
Posted on Apr 20, 2014
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Posted on Jan 02, 2017
SOURCE: New Sparkplugs, Now Trouble
there are a number of cars that dont like any kind of platinum plug check for bad plug wires get a squirt bottle with plain water and spray a nice mist on the wires while running and listen and look for arching if i remember correctly grand ams have aluminum heads and have instructions stating that the engine must be cool before removing spark plugs or risk warping the head
Posted on Apr 03, 2009
SOURCE: Pontiac G6 gas pedal rattle
Is this almost like a metallic buzzing sound?
Find the catalytic converter under the car it should have a shield on it. Use a broomstick with the car running and hold the shield still and have someone give it a little gas. Just move from shield to shield until you find the offending shield.
Don't touch these with your hand as they can get hot fast.
Most parts houses sell a very large hose clamp to go around these shield for about $10, they will know exactly what you are looking for.
Posted on May 30, 2009
check the oil and coolant levels. if coolant is low pull the sparkplugs and try to turn the engine over if still not turning free remove the serpentine belt and try again, if it turns over ok check the pullyes on the front of the motor to see if they all turn free by hand. a serpentine belt can prevent an engine from turning over if a tensioner, idler, water pump, alternator, or power steering pump is siezed up or starting to seize. being your battery is bad I'm thinking probably the alternator is seized. hope this helps mike.
Posted on May 30, 2009
SOURCE: sluggish engine pontiac g6
Sounds like a transmission issue, have the car scanned for ant transmission related codes. Most transmission shops will check to make sure your transmission is working 100% free of charge. With what you have described, almost sounds like you don't have 1st or 4th gear and your transmission is running on 2nd and 3rd gear. Easy fix if the 1st-4th solenoid needs to be replaced, or the wire harness has gone bad. Start with getting your car scanned and let me know if your transmission is starting on 2nd. Good luck
Posted on Jan 28, 2010
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