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Author: Subject: What causes hot engine?
tegwin

posted on 17/10/08 at 02:27 PM Reply With Quote
What causes hot engine?

Would a leaky exhaust manifold cause the engine to run overly warm?

[Edited on 17/10/08 by tegwin]





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Mr Whippy

posted on 17/10/08 at 02:31 PM Reply With Quote
hmm not normally, not a good idea though as the gas can burn through things, like say a fuel line . Can't see it having any effect on timing etc

actually if you have a Lambda sensor the engine can get the mixture wrong as it draws in fresh air and dilutes the exhaust gas, or so I read somewhere

[Edited on 17/10/08 by Mr Whippy]





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82 Locost

posted on 17/10/08 at 02:33 PM Reply With Quote
Unlikely
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tomgregory2000

posted on 17/10/08 at 03:01 PM Reply With Quote
dought it, maybe put come water in the cooling system
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r1_pete

posted on 17/10/08 at 03:38 PM Reply With Quote
Things that could cause it:

sticky thermostat.
Slipping pump drive belt.
Blocked rad, or rad too small.
Ignition retarded.
Mixture weak.
Blown head gasket.
Blocked or kinked rad hoses.
Binding brakes.






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andylancaster3000

posted on 17/10/08 at 04:05 PM Reply With Quote
Leaky manifolds can cause fires though. This happened:



...due to tiny leak in a collector weld near the above engine mount.

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britishtrident

posted on 17/10/08 at 04:27 PM Reply With Quote
Ignition Timing too Retarded will cause boiling as soon as the crankshaft speed is above about 1700 t0 2000 rpm
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zetec7

posted on 17/10/08 at 06:53 PM Reply With Quote
X2 for the ignition timing - I had an issue with the timing on my Fiero GT...and all 6 pipes were glowing orange hot, even at idle! Check your timing...





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tegwin

posted on 17/10/08 at 07:10 PM Reply With Quote
The timing may be the issue...but if I advance it any more it pinks like a monster!





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