Question about Chevrolet Astro

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Not always, but sometimes idols and runs very rough. shaking and knocking rough. exhaust smell gas and see blue smoke. does not drive up hills when this happens

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  • Contributor
  • 35 Answers

You're badly needing a tune-up! Either bad plugs or plug wires--replace them all!

Posted on Feb 16, 2014

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Posted on Jan 02, 2017

  • 532 Answers

SOURCE: car running rough, shaking a little under the hood, smell of gas, when i push the gas petal it don't want to move then it slowing do

check the mass air flow sensor in the air breather,it may have fuzz from the air filter on it

Posted on Apr 23, 2009

volvo2103
  • 122 Answers

SOURCE: No Power,Fuel Smell ,White and Blue Smoke coming from exhaust.

It sounds like you have a blown head gasket, or maybe both head gaskets....it has all the symptoms of such.....

Posted on May 08, 2009

  • 54 Answers

SOURCE: blue smoke

sorry to say blue smoke is oil and with what you've described sounds like the oil rings on the pistons have given up the ghost, time for a new engine or a rebuild sorry for the bad news. valve stem seals are the only other thing that will cause exhaust smoke but only when you first start the car never while running. hope i have been of some assistance.

Posted on May 15, 2009

  • 23 Answers

SOURCE: bmw 320d engine shaking

You have blown the oil rings.

Posted on Aug 29, 2009

  • 15 Answers

SOURCE: car idles and runs rough intermittently after engne is warm.

one of you air line pipes could have collapsed or split which will cause a problem with idling and performance and it will give no smoke signs

Posted on Feb 13, 2010

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Park it and forget where you left it. Or if you have any mechanical skills or inclinations, you could do some basic tests, but avoid the dangerous driving test - do this with the engine running if it needs to be running, but stationary.
It sounds like it could be the catalytic converter is getting clogged. It blocks the exhaust from going out the tail pipe. When the car is completely cool, if you thump it pretty hard, or grasp and shake it, and hear any rattling, then it is damaged and probably blocking your exhaust. If it sounds good, you could next open the exhaust somewhere ahead of the cat converter, like pulling out an oxygen sensor temporarily, or disconnecting the exhaust somewhere. Then run the engine and see if it noticeably improves. That's a bad cat.

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this may be your problem also if you have abnormally low milage on the vehicle

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What car , and year and engine? What color smoke?

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