05-29-2018, 12:50 AM | #15 |
Drives: SS 6 speed of course Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,324
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Have same issue after my cam install, my coolant gauge seems to work, not stuck on min. Fan run on max, even after car shut off, a/c is off
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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05-29-2018, 05:26 PM | #16 |
Drives: 17' 1SS 1LE GBA-Black Join Date: Mar 2017
Location: TLV
Posts: 810
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Carefully check wiring to the coolant sensor and radiator fan. Might be that during the cam install some wires / connectors got misplaced. Disconnect and reconnect the plastic connectors and check them inside to verify that all the wires are seated properly. and also the connectors on the sensors. Good Luck and please update us on your findings. You should not continue driving like this...
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05-31-2018, 11:58 AM | #17 |
Drives: SS 6 speed of course Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,324
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I unplugged and replugged the MAF extension cable and all is well, fan turns off when car turns off. Also the Procharger kit has the MAF jammed tightly against the fan housing. IMO this will lead to problems later. I've tried several times to gain more room....
As noted the air intake temp sensor is in the MAF and if it is not hooked up, it thinks the temp is like 200 degrees..
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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05-31-2018, 08:08 PM | #18 |
SABIO
Drives: 2016 CAMARO 1SS Join Date: Jul 2015
Location: Bradford, ON
Posts: 5,012
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Mine does this if I give it a long spirited pull on the highway.
Fan goes full speed. Temp gauge drops. No A/C. And no Rev match...paddles no worky. Fan stays on for 5 minutes or more after shutoff. I get a coolant temp sender code.(forget what one) I can reset it and everything works. Daily driving is fine. A little spirited driving is fine. But as soon as I mash the pedal for 5-10 seconds....Bam. Fan on high, etc. Yes, only 5 seconds or so...going well over 100mph at that point.
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06-01-2018, 06:22 PM | #19 | |
Drives: 17' 1SS 1LE GBA-Black Join Date: Mar 2017
Location: TLV
Posts: 810
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Quote:
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06-01-2018, 07:18 PM | #20 |
SABIO
Drives: 2016 CAMARO 1SS Join Date: Jul 2015
Location: Bradford, ON
Posts: 5,012
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Well. Does ported TB & Intake, Cam, Heads, Headers and CAI count
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06-03-2018, 05:48 PM | #21 |
Drives: 17' 1SS 1LE GBA-Black Join Date: Mar 2017
Location: TLV
Posts: 810
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Don't think so... this is all non-electrical as far as I understand. What I am referring to, is an effect on the OBD wiring going to the various microprocessors of the ECM, BCM, TCM, Etc. and their related sensors
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06-03-2018, 06:27 PM | #22 |
Drives: '18 1SS 1LE Join Date: Sep 2017
Location: Pennsyltucky
Posts: 2,571
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Serial data line?
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'18 1SS 1LE Black, PDR
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06-08-2018, 02:14 PM | #23 |
Drives: 17' 1SS 1LE GBA-Black Join Date: Mar 2017
Location: TLV
Posts: 810
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The phenomena did not re-occur for a couple of weeks - until today!
Situation as follows: - Drove the car as usual, all normal for ~ half hour - Stopped somewhere to eat for ~ 1 hour and when I started the engine it happened again! Fan full blast, Temp gauge pegged on Min. / Low (although true Temp. is expected to be higher: I.E. normal for Temp. coolant restarting the engine after ~ 1 hour at ambient of ~ 80F). AC compressor would not kick in either = "Safe Mode" - Stopped the engine and fan keeps on running full blast, even after closing and locking the doors. - Opened the door again after ~ 30 seconds, started the engine and everything back to normal: Fan not blowing full blast any longer and Coolant Temp. gauge displaying normal Temp. ~ 195. Drove for another 15 minutes. stopped (and stopped the engine) at a gas station to fill her up. Started the engine and all is still O.K. and normal. This random behavior is driving me insane - What is going on here? What can it be? Anyone who can add details / encountered it and got it solved - Please chime in. |
10-10-2018, 05:27 PM | #24 |
Drives: 2016 Camaro RS Join Date: Sep 2016
Location: Fort Worth texas
Posts: 52
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I’m having all the same issues and I have no idea
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10-12-2018, 06:47 AM | #25 |
Drives: 17' 1SS 1LE GBA-Black Join Date: Mar 2017
Location: TLV
Posts: 810
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Maybe my update is going to help you further:
After replacing the ECT at the dealership, the issue still reoccurred - did not help. So after another thorough research of all connectors, the dealership electrician identified that in one of the related ECT circuitry connectors (not sure if it was actually the 2-wire ECT connector itself, or a different one - need to ask him..) - one of the internal metal pinches (I.E. that seat on the sensor's pins) was gaped too wide and as a result the connection became intermittent. He closed the gap so that a steady connection formed on the sensor pins. Since then, no more problems Conclusion: Always CAREFULLY inspect the connectors (inside, wires, plastic, Etc.). They occasionally prove to be a culprit and are usually easy to fix / replace |
10-12-2018, 09:46 AM | #26 | |
Drives: '18 1SS 1LE Join Date: Sep 2017
Location: Pennsyltucky
Posts: 2,571
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Quote:
You have to take known good male/female wiring terminals and use them to test the suspect terminals. Glad your issue is resolved and you can enjoy your car in peace.
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'18 1SS 1LE Black, PDR
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10-12-2018, 05:00 PM | #27 | |
Drives: 17' 1SS 1LE GBA-Black Join Date: Mar 2017
Location: TLV
Posts: 810
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Quote:
I guess that this is what the Diag-Electrician at the dealers actually did. He probably used a GM tool specialized for testing connectors. HOWEVER, with a good eye it is possible to spot the pinch-terminal's condition comparing with others - and in any case, it is possible to go through all the suspected ones and crimp them tight with tweezers |
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