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Ignition timing is off.

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Q: On your 1985 silverado your exhaust manifold get so hot that they are glowing redhot whenever you run it for a while?
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Red hot exhaust manifold 92 Camaro?

If it's glowing red you have a vaccum leak someplace, probably in the intake manifold or the engine is running lean on fuel or possibly too rich as the unburnt fuel is burning in the exhaust.


WHY DOES MY 1987 Toyota sr5 HAVE A glowing exhaust manifold?

Your gas/air mixture is too lean. Adjust your carb to be more rich.


Why would a 2000 Explorer lose power and the cab fill with smoke and smell of sulfur The manifold was glowing red Is this a Catalytic Converter problem?

It could be running lean. Check the fuel filter. It could also be a vacuum leak or the EGR valve. It would probably be a good idea to not run it much until you've worked out the problem. There are quite a few possibilities, and some of them are not very expensive, but if the exhaust manifold is getting that hot you could be damaging your exhaust valves. If the exhaust manifold is glowing, it's not the cat-converter.


Why is your manifold glowing red you have replaced the whole exhaust system and the o2 sensor?

Your valve timing is off The o2 sensor is not reading properly causing the system to go very lean.


Glowing exhaust manifold code says speed sen and lack of power on a 1995 ford ranger xlt 2.3 litter?

I hope you shut the thing down. If your manifold got so hot it glows I would suspect a clogged catalytic converter. The engine code for your speed sensor probably means it or the wires to it where damaged by the heat radiating from your exhaust.


What does it mean when the exhaust manifold is glowing cherry red on a 1995 Ford Ranger XLT 2.3?

AnswerFuel is burning in the manifold after leaving the cylinder. Bad plugs or plug wires, too rich a fuel mixture, or overworking the engine with too heavy a load. could also be clogged catalytic converter


Why does the Manifold over heat?

The manifold has no way of overheating, it's a piece of metal if its glowing red then the exhaust may be plugged up, or the engine timing is retarded, or you have an ignition misfire. Everyone should have a manual for their vehicle (parts store or dealer), and a local library should have professional shop manuals available in the REFERENCE section for free.


How hot does a motorcycle pipe get?

That's all down to how hard you run the engine. They can get glowing hot up by the exhaust ports.


What will make your 96 suburban idle rough and popping noise from tailpipe?

Possibly the fuel mixture is too "rich" or has too much gas in the fuel to air ratio. This would make it idle rough or fast and the popping noise could be the unburned fuel igniting in the exhaust system on the hotter than normal exhaust manifold. One check is after the engine has been running for a while check out the exhaust manifold to see if it is glowing red (best observed in the dark of night) this is a good indication of a over rich fuel to air ratio, and is not good for the engine. This engine would need the fuel to air ratio corrected by a qualified mechanic.


Why does your Olds AURORA Idles high when you start it and Something at the bottom rear of the engine is glowing hot?

this sounds like a bad exhaust gasket. since everything in an aurora is computer controlled the exhaust gas regulator/sensor would sense that there's not as much exhaust coming out as there should be and will increase the idle in an attempt to match protocol. it glows hot because of the principle that air is flammable. if hot gases are allowed to escape around the manifold and they meet with cooler air it will cause the manifold to glow red as if it were on fire. it won't get hot enough to actually catch fire but it will cause irreparable damage to the manifold and heads if it's not corrected immediately! without being able to see this happen i can't be sure, though... maybe post a video on youtube and send me a link...


What does it mean when the exhaust is glowing on a kx450f?

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How hot is a running car engine?

Depends on which part. The exhust manifold can be glowing red, while the most of the engine should be slightly below the boiling point of water.