Question about 2005 Pontiac Grand Am

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Check engine soon.. light on steady..i live in the country so I am far from dealer so would love to hear suggestions...

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Way too many possibilities, but here it goes:
First, the dredded check engine system generally monitors the emissions sensors, and probably safe to drive (maybe even ignore light).
While driving, do you notice anything different:
Running hotter or overheat, misfire, engine dies for no reason while idling, or driving?
Filled-up fuel from new brand/station, etc.
blah, blah, blah,
Gas cap loose or lost?
How far away is an AutoZone? They provide a free analysis and provide the "code" and printed "most likely" problem.
Could just be a bad sensor and nothing wrong with anything.

Posted on Sep 25, 2009

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I found that if the engine gets wet mine comes on, but goes off when it dries

Posted on Oct 04, 2010

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Hi is their a autozone close by they can scan it for you if not check engine light its not a sing of car breaking down

Posted on Sep 25, 2009

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the SES lamp (aka. CEL and MIL)
means Scan it,
is this a USA car? or canada.
how you scan CARs varies by COUNTRY , unstated.
In the usa, this car has 2 engines.
1.6L and 1.8L, the latter is DOHC sport.
but in both cases here, all scan tools work , this old.
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  2. all autostores (most) can scan it. free.
  3. many outstores here can loan you the scan tool. OBD2.
  4. you can buy a tool for $9 (ask) off fleabay.
  5. or buy the code reader, for $20 off Amazon.
true for all cars USA, and 1998 and newer in Canada.
my guess is said tool will throw DTC P0400 or more.

the 1.6L G16B engine loves to die.
it loves to have the main EGR valve stick, 1000s seen.
we clean it until its Snappy, and stalls end.

the valve is way far behind the intake manifold on the #4 intake runner.
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does it do this hot and cold (engine temp)
does the engine reach and hold at 180 to 200F temperature>?

this is called surging.
is the idle steady, at 800 RPM hot engine?
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