Need Help Overheating

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Apr 25, 2016 | 08:28 AM

#16

mfiveaa

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It has 149533 miles, had 146000 when I bought it a month and a half ago

Apr 25, 2016 | 08:29 AM

#17

mfiveaa

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Stock EGR with the electrical connector still plugged in and in good shape from what I can tell

Apr 25, 2016 | 08:33 AM

#18

WatsonR

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Joined: May 2014

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From: Virginia Beach VA

After it sits all night, take a reading on oil and coolant temp, they should closely match, if not, you need a new sensor. If they are matched, may need a thermostat and/or a new water pump.

Apr 25, 2016 | 08:37 AM

#19

mfiveaa

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Just checked the sensor readings and they are reading 77.0 ECT and 77.8 EOT

Apr 25, 2016 | 08:38 AM

#20

mfiveaa

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Really hoping its not the waterpump

Apr 25, 2016 | 08:46 AM

#21

WatsonR

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From: Virginia Beach VA

that shows the sensors are good. Two choices; Pump and t-stat... start cheap. I'll say the t-stat is designed to fail open and that both oil and coolant are close together (240/245), I'd really be looking at a new pump.

Get the PID right for fan RPM and watch it. Once locked up, its basically one for one, engine RPM = fan RPM.

TRT30 on-line coupon code for Advance Auto. Do in store pick-up and save $50 on the pump.

Those temps get much higher, you'll do damage to the motor... do not mess-around with this issue.

Apr 25, 2016 | 09:04 AM

#22

mfiveaa

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When watching the fan RPM what should I be looking for, and as for replacement parts is there any brand I should stay away from?

Apr 25, 2016 | 09:09 AM

#23

WatsonR

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Joined: May 2014

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From: Virginia Beach VA

when temps get past 217* for oil, the fan should be locked up 1:1 engine rpm - fan RPM

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Apr 25, 2016 | 09:13 AM

#24

mfiveaa

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okay I will do a test around the block really quick and see what happens

Apr 25, 2016 | 09:44 AM

#25

POS Camaro

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Joined: Feb 2008

Posts: 90

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From: Goose Creek, SC

See if you have heat from the HVAC. If there is no heat, your water pump isn't working properly. I figured out my water pump was broken because of a high engine temperature and no heat.

Apr 25, 2016 | 09:46 AM

#26

mfiveaa

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My heat has been out since I bought the truck but in the 3500 miles ive had it is just now overheating.

Apr 25, 2016 | 09:47 AM

#27

mfiveaa

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just finished driving around and I'm getting ready to download my log data

Apr 25, 2016 | 10:28 AM

#28

mfiveaa

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1461591409249.xls

Here is the log data I just downloaded

Apr 25, 2016 | 11:07 AM

#29

mfiveaa

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Quote:

Originally Posted by white Buffalo

no problem,

since you are new, we need to get you up to 20 posts so you can send & receive messages. You're about 1/4 of the way there.

It would be helpful to know about your setup. So take a bunch of posts to give some additional info about your setup:

year
miles
EGR still installed or an EGR delete?
was the oil cooler ever changed?
what type of coolant?
stock injectors?
stock programming or using a tuner?
Stock head studs?

I have stock injectors and stock programming no tuner yet.