Ark :D
Goblin Guru
- Ark :D Goblin Guru
@ccgillett do you have Bosch MAP sensors? If so, what's the part #?
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V1 ccgillett's Track Goblin - '08 SS/TC
ccgillett
Well-Known Member
- ccgillett Well-Known Member
Manifold sensor is a GM part #12592016 (3 wire); charge pipe sensor is missing, I've ordered a Chinese knock-off 4 wire, or I could use an identical GM 3 wire one. Either way I gotta figure out where it wires in. I found some really bad photos online of somebody replacing a charge pipe MAP sensor in a Cobalt. From those photos I could get the wire colors...I will search the remaining connectors today to see if anything matches.
ccgillett
Well-Known Member
- ccgillett Well-Known Member
Ok, more on this. Writing this up as a note to myself, and also for others who might have similar questions in future
I believe this is the part in question: https://www.gmpartswarehouse.com/oe...fold-pressure-and-temperature-sensor-12592017
Intake Manifold Pressure and Temperature Sensor - GM (12592017)
This is a 4-wire sensor:
The site says it fits the '08 Cobalt SS w/2.0L TC engine:
The part fitment diagram shows this in the Cobalt charge pipe, which is consistent with prior conversations:
I am gonna get this ordered as it will take a couple weeks it seems. I purchased a subscription AllData DIY hoping to get wiring diagrams and connector diagrams for the LNF engine. Sadly that site has good details for supercharged version, but very little for turbocharged cars. Not sure it was worth the money.
I am going to proceed with running piping, fitting the intercooler, installing heat exchanger, etc. while I try to figure out where this plugs in.
I believe this is the part in question: https://www.gmpartswarehouse.com/oe...fold-pressure-and-temperature-sensor-12592017
Intake Manifold Pressure and Temperature Sensor - GM (12592017)
This is a 4-wire sensor:
The site says it fits the '08 Cobalt SS w/2.0L TC engine:
The part fitment diagram shows this in the Cobalt charge pipe, which is consistent with prior conversations:
I am gonna get this ordered as it will take a couple weeks it seems. I purchased a subscription AllData DIY hoping to get wiring diagrams and connector diagrams for the LNF engine. Sadly that site has good details for supercharged version, but very little for turbocharged cars. Not sure it was worth the money.
I am going to proceed with running piping, fitting the intercooler, installing heat exchanger, etc. while I try to figure out where this plugs in.
Mahkoi
Goblin Guru
- Mahkoi Goblin Guru
Ignore my map sensor looking different. I switched to 3bar sensors. This is the connector for the map in the charge pipe.
Map connector
The harness branches out into three separate legs of wiring. One is the MAP wiring pictured above. The other two are these connectors. I believe one is for the a/c compressor clutch and the other was for an a/c pressure sensor. (Not totally sure on the second one) both of those connectors are not used/unplugged on mine and just zip tied back.
It's unused neighbors
Hopefully that helps you find it now that you know what it looks like and who it's neighbors in the harness are.
Map connector
The harness branches out into three separate legs of wiring. One is the MAP wiring pictured above. The other two are these connectors. I believe one is for the a/c compressor clutch and the other was for an a/c pressure sensor. (Not totally sure on the second one) both of those connectors are not used/unplugged on mine and just zip tied back.
It's unused neighbors
Hopefully that helps you find it now that you know what it looks like and who it's neighbors in the harness are.
ccgillett
Well-Known Member
- ccgillett Well-Known Member
Well gents, @Gtstorey @Mahkoi , I believe this is the plug...
These connectors are all on the same wire group:
Assuming agreement then we're down to waiting for the new sensor and plugging it in. Looks like I might have to make it longer or do some creative harness trimming to reach the pipe.
You both have been really helpful and I'm grateful for that....
These connectors are all on the same wire group:
Assuming agreement then we're down to waiting for the new sensor and plugging it in. Looks like I might have to make it longer or do some creative harness trimming to reach the pipe.
You both have been really helpful and I'm grateful for that....
comegetjoe
Goblin Guru
- comegetjoe Goblin Guru
I did thin my harness a bit (a/c, fan) but I don't think I had to cut back anything to make the MAP connector reach.
- Gtstorey Goblin Guru
Based upon the color, it may been switched out to the three bar connector already.. This means the sensor you ordered may not work. But I’m not 100% sure. But the stock connector that I posted listed it as black and it is the same color as the swapped connector posted earlier.
