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IR Thermometer Check Request. Was cylinder #1 low power 1800

posted by  someone claiming to be Viper1800E on  Thu Jun 26 03:32 CST 2003 [RELATED]

Yes pulled the Fan belt. Negligble diff. I had one guy on the 1800list do this and he got the same thing (350, 700, 700, 700) on an ES header after a drive. I am beginging to think this is normal I have used EGT's on snowmobiles and did not want to drill the pipes for them as I am not racing it. I think the IR is ok for general diagnostics. It is telling the truth. I think it is the head design and #1 first to get the cool radiator flow. Volvo must have not balance the head for coolant. #4 is hotter than #2/3 by a little and is farther away. I felt something was wrong as the diff was so much. Usually in other motors it means a a cyl is down on power (plug fouled etc. )...






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