Question about 2004 Chevrolet Malibu

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2004 malibu classic,car ran find last night.this mourning it's missing and the exhaust pipe underneath the car is getting cherry red.the engine light stays on while the car is in park,but when you put it in gear the light starts to flash

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Too muchfuel going into the exhaust, my guess is a skipped timing belt or blown exhaust valve

Posted on May 09, 2010

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Glowing red exhaust pipe coming off of manifold in 2000 Lexus ES 300


That is caused by an over fueling condition, you need some testing done.

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The two may not be related. The 505 code is for the IAC motor in the intake of the engine. Most often the cause of cherry red exhaust manifolds is unburned fuel getting into the exhaust and burning there. This can be due a a bad spark plug, plug, wire or coil causing misfires resulting in unburned fuel being ejected into the exhaust stream. It could also be due to a cracked or broken intake or exhaust valve. This would result in low compression in a cylinder, causing a misfire and having the same result.

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Just bought a 1997 corvette been sitting a while charged up battery would not stay running was missing only ran when i kept on fethering pedal the noticed exhaust pipe got cherry red


Check to see if the exhaust is exiting the rear tailpipe. Could be a plugged up catalytic converter. Or some sort of obstruction in the exhaust system....

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Runs good at first then drops off and keeps getting worst. Exhaust manifold got cherry red


Check for the timing and re-adjust valve clearance...waht kind of engine you have...

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Hello! It is glowing red because it is plugged up and the metal is getting hot. It is a serious fire hazard, don't drive the vehicle until you have it replaced...The engine is missing because the exhaust is plugged...

Guru.Saailer

Feb 07, 2011 | 2004 Chevrolet Cavalier

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Hard cold start,have to warm uyp till thermo hits 80 centegrade,if not allowed to warm up,car bucks allot lookese power struggle to even idle up,the exhaust was turning cherry red last night after i drove...


on the air intake is a pipe that picks up hot air from the exhaust manifold ,where this pipe joins the air intake pipe is a vavle which is operated by a bi.metal strip thermostat ,so when its cold it allows vacumn from the engine to open the valve allowing hot air into the intake which stops it from freezing up around the butterfly ,Something is wrong around this area but without having my head under the bonnet i couldnt say ,if your in doubt ask a local mechanic to have a look they will see the problem straight away

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Exhaut pipes turn red hot plus intake plate or butterfly plate stay open. wash engine,then problems started whole exhaust pipe turn cherry red.looked at intake trotoll plate or butterfly plate it stayed...


your intake manifold should only open when you accelerate on the gas pedal you need to lube it.and the exhaust pipes probably turn red because there is not enough air to cool the engine check your fan relay switch and thermostat to make sure they are working. That may very well be the problem.

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02 grand prix 3.8 engine will not go above 3500-3600 rpm. if i try to drive it it barely can get out of first gear because that is the shift point. when it does go into second it will only get up to about...


two things i can think of, 1) a restricked catylitic converter. 2) faulty fuel pump or injectors. check your fuel pressure a the fuel rail to test the pump. a plugged cat. will cause back pressure in the exhaust, if the car is good and warmed up ( at night or very dark place ) look at the "Y" pipe attached to the exhaust manifold, if it glows a dull cherry red replace the converter.

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Lost of power, exhaust pipe turning cherry red.


7 - TP Sensor (Throttle Position)
This is the problem with my vehicle i have a Honda cat turned cherry red smoked the color was white and i looked at the ecu for the flash codes i got 7 witch is stated above replacing that sensor should help the problem. I am doing the same thing tomorrow going to buy the part install it and hope it fixes everything if not i will come back and let you know. everything above you say i am having the same issues so its not just you :)

Jul 11, 2008 | 2000 Daewoo Lanos

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