exhaust manifold overheating turn to color red

2003 TOYOTA PICKUP
4 CYL • 2WD • MANUAL
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KEN13
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  • 3 POSTS
The exhaust manifold of the engine turns to color red cause of heat we only overhaul that engine and we cancel the balancer inside the block i need your help please
Jul 21, 2014 at 9:20 AM
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HMAC300
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have a pro scan for codes and see if it's running to lean.
Jul 21, 2014 at 9:36 AM
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KEN13
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thank you for the info sir is there any posibility causes asides from that?
Jul 21, 2014 at 9:41 AM
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HMAC300
  • CAR REPAIR CONTRIBUTOR
  • 48,601 POSTS
possible clogged converter lean or rich condition maybe secondary air system not working as well if it has it.
Jul 21, 2014 at 9:45 AM
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KEN13
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  • 3 POSTS
thanks again sir we will chek and test first the 1st two sugestion you gave godbless
Jul 21, 2014 at 9:55 AM