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Just swapped out engine now it cranks but will not start

Tiny
GILLYMAN3000
  • MEMBER
  • 2014 CHEVROLET TRAX
  • 1.4L
  • 4 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
Swapped out engine on the vehicle listed above with a motor out of a Chevrolet Cruise. It will just crank and will not start, I am popping all kinds of codes.

P0011-00
Intake camshaft position system performance

P0014-00
Exhaust camshaft position, exhaust camshaft position not plausible

P0031-00
H02S heater control circuit low voltage sensor 1

P0031-00
H02S heater control circuit low voltage sensor 2

P0035-00
Turbocharger bypass solenoid valve control circuit high voltage

P0037-00
H02S heater control circuit low voltage sensor 2

P038-00
H02S heater control circuit low voltage sensor high voltage sensor 2

P0053
H02S heater resistance sensor 1

P0054
H02S heater resistance sensor 2

P0068-00
throttle body air flow performance

P0096-00 Intake Air temperature sensor 2 performance

P00B6 Radiator coolant temp engine coolant temp not plausible

I did find a 10amp fuse under the fuse box cover that didn't seem to have a home, checked all fuses there isn't one missing and no blown fuses under hood or under dash. I wonder with the different models if it would effect the computer at all?
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Tuesday, February 11th, 2020 AT 12:13 PM

13 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,446 POSTS
What year Cruze was the 1.4 out of? Which harness was used with the engine?
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Tuesday, February 11th, 2020 AT 4:11 PM
Tiny
GILLYMAN3000
  • MEMBER
  • 19 POSTS
Not sure on the year, am going to try to get that info today, I used the original wiring harness from the 2014 trax.
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Wednesday, February 12th, 2020 AT 4:47 AM
Tiny
GILLYMAN3000
  • MEMBER
  • 19 POSTS
The donor motor is out of a 2016 Chevrolet Cruise. I checked the timing chain to see if it was moving okay, it is. I’m swapping out cam sensors now, because I know the old ones worked. I was wondering about the crank sensor? It’s so hard to get at on these I was avoiding all that work just to try. Any help would be appreciated.
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Wednesday, February 12th, 2020 AT 6:23 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,446 POSTS
I would start by looking at the fuses. Then check that the harness grounds are all connected. Most of those codes look to be power or ground related in that they are outside what the system expects. A bad ground could easily do that.
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+1
Wednesday, February 12th, 2020 AT 12:30 PM
Tiny
GILLYMAN3000
  • MEMBER
  • 19 POSTS
Okay, thank you. I will give it a good look over again for a ground not attached or what not. Thanks again!
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Wednesday, February 12th, 2020 AT 2:50 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,446 POSTS
What was the issue with the original engine? All of the plugs and sensors plugged in okay correct. That engine should be a bolt in from what they show in the interchange so it almost has to be something like a bad or missed connector or a blown fuse that connects to the PCM.
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Wednesday, February 12th, 2020 AT 6:45 PM
Tiny
GILLYMAN3000
  • MEMBER
  • 19 POSTS
Hey there, I had to change over the wiring harness, there were a couple plugs that were not the same for eg, the compressor plugs were different. So I just changed over to the wiring harness that I knew worked. The motor that came out of the Traxs has no compression on cylinder 3. I am pretty sure there was an injector problem and they just kept driving it. I have check the fuse panels several times. Checked ever fuse and they are all fine. Under hood and under dash. It makes sense that it is a fuse and not supplying power to several different components, but I have checked and rechecked still no blown fuse. Check the main grounds and they are all fine.
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Tuesday, February 18th, 2020 AT 3:35 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Okay, lets clear the codes, then with the codes cleared turn the key on without cranking the engine to see if any codes come up this will be the one we chase it should if the others. If no codes come up crank the engine then read the codes again. Can we check fuse #18 for power (key on) here is a guide to help and the fuse location in the diagrams below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Saturday, February 22nd, 2020 AT 12:20 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,446 POSTS
The swapped wiring harness may be the issue. GM has a bad habit of not using the same wire colors or pin locations from model to model. If you still have access to the original harness you may want to compare the pins and wiring to be sure it is the same. The lack of some connectors you needed suggests they are different. Wouldn't take much, say a ground or bias voltage to one of the circuits and you would get codes like you have because the parts are not getting the proper signals.
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Sunday, February 23rd, 2020 AT 1:19 PM
Tiny
GILLYMAN3000
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  • 19 POSTS
Okay, thank you! It’s coming back in this week I will let you know how it goes, thank you!
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Tuesday, February 25th, 2020 AT 5:36 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,446 POSTS
Good luck with it. Does it run and drive but just lot's of codes? If yes I would bet on the harness mismatch being the issue. Tho O2 heater codes suggest the PCM doesn't think they are even connected, which a single misplaced or broken wire could do.
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Tuesday, February 25th, 2020 AT 7:51 AM
Tiny
GILLYMAN3000
  • MEMBER
  • 19 POSTS
Hey there guys, sorry it took my so long to get back to you. The problem ended up being to motor itself that the customer supplied. :-(
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Monday, April 27th, 2020 AT 10:01 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,446 POSTS
That is always fun. You found the issue at least. Hope the customer didn't decide to blame you, but I know how that usually turns out.
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Monday, April 27th, 2020 AT 10:16 AM

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