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Chevrolet aveo 2009. Only bought from a vauxhall garage has been to the garage for the third time now . Had hesitation and engine light came on first time. A month after buyin it. Was told it was a misfire in cylinder one they swapped a lead round in the cylinder and said engine light would appear in a week, nothing happened, then two weeks later the hesitation started again, brought it in and they said it was poor quality fuel. So changed from my regular place only got car back a week and engine light on again, hesitation worse and car actually shudders when the engine is on, dont even have to be driving it, so back for the third time and they have said its stil bad fuel and it may now needs a clean out. I have a feeling there is an underlying problem with the car and there trying to hold me till my warranty runs out. Can these symptoms relate to anything else?

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  • Cars & Trucks Master
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They MUST erase the ECU errors each time it is in for service otherwise the issue will still be there.
Make notes with dates and times of your issues as the warranty will continue until the issue is resolved, in law.

Posted on Mar 13, 2017

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  • Contributor
  • 19 Answers

Sounds like vacuum leak, bad coil pack, cam or crank sensor. None of which should break your bank unless its hard to get to.

Posted on Mar 13, 2017

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: service engine soon light keeps coming on. Now low coolant light

I would start by doing an oil change myself so you can examine the oil and look for water/antifreeze in it. You will be able to see it separate from the oil and you can smell the antifreeze. If there is then you have a leak between the water jacket and the heads somewhere. More than likely the LOWER intake gasket is leaking into the head. You said they replaced a gasket but was it the UPPER or LOWER? If it was the LOWER did they use RTV in the correct areas? Did they torque the intake bolts to the correct pressure and install the bolts correctly? I know you don't have these answers but these could all be part of the problem. It may be leaking more at #2 cylinder and causing it to foul more than the others. Also just because a mech pressurized the coolant system and didnt see any change in pressure (hopefully he wasn't just looking for visible leaks) the issue may not happen until the engine is hot, as metals behave differently when heated, especially aluminum which the LOWER intake is made. Have a mechanic or mechanically inclined friend (gearhead) remove the #2 plug wire, then kick the engine a few times without starting it, enough to let any fluid get into the chamber, this would include gas btw. Then remove the plug and look for any wet residue on the plug, gas will evap. quickly, antifreeze/oil won't. again try to smell the residue and if necessary, lightly touch some to your tongue, antifreeze has a sugary sweet taste that is easily detectable. Remember any time you are working with chemicals such as waste oil and especially anti freeze, minimize spills and clean them up quickly and completely and place the spent fluid in a sealable container and take them to a collection center for disposal. Waste oil is a carcinagin (cancer causing) agent and antifreeze (glycol) new or old will kill any animal (child, dog, cat,etc) that ingests it. Many auto parts stores and some other retailers that sell oil and antifreeze will take your wastes if you bought the replacement fluid from them, check before you buy.

Posted on Apr 04, 2009

  • 1 Answer

SOURCE: ENGINE MISFIRE AND SHAKING

check your wire harness on the top of the engine. Volvo must have bought harnesses from Mercedes. The insulation just cracks and disintegrates, then the wires short. Not good for an ignition system.Once they short It can fry the circuit for that cylinder in the computer. Does not set a code other than Misfire.

Posted on Jun 16, 2009

  • 1 Answer

SOURCE: damaged underside of car

I have an Audi A6 S. Line Triptronic year 2004 with 52.000 km.When I pull away slowly in drive position at the beginning the car shudders it sometimes happens in S position but only recently.If I pull away faster hitting the gas harder then no shuddering

Posted on Sep 08, 2009

iambanshee74
  • 3489 Answers

SOURCE: 2007 aveo misfire faults

gm has a problem with this from way back. double check your spark plugs and if they are not ac delcos, change them. ive seen this time and time again swearing, myself, that there is no way that the plugs would cause this issue. it always comes up with random misfire and usually another 1 or 2 codes misfire codes. put in ac delco, no more codes. let me know

Posted on Feb 22, 2010

  • 151 Answers

SOURCE: 2005 Mitsubishi Eclipse GTS V6 3.0L Cylinder 3 Misfire

Anything is possible but if you want to know if #3 is really misfiring and hurting the performance try pulling the plug wire to cylinder # 3 with the engine off (so you don't get shocked) Now start the care and see how it runs. If it runs the same then #3 is really bad. In that case imagine how much better it would run if #3 was up and operating correctly.

Posted on Mar 10, 2010

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