Am I screwed? Limp Mode
12-10-2018, 04:10 PM
#1
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Am I screwed? Limp Mode
hello, it was not my intention to be on this thread but here i am. I just recently bought a 2009 infiniti g37x from a local guy about 3 days ago. The problems have already started to pour in. To start, i have an exhaust leak, dont know if this would effect the problems im having but i decided its somewhere to start. Today i was driving back from work and noticed that the car wouldnt go past 3500rpm and gives a violent “bucking” As i tried to go fast in it. There is also some shaking in the engine and when i test drove it i didnt notice it, it is much more prevalent today. My boss said he would run the computer on it tomorrow to see whats wrong with it, im running plus fuel and there are no check engine lights on. The shaking and 3500rpm limit it very concerning to me as i have just purchased the car for 6200 knowing i would have to get new breaks. If you can provide any help at all it would be greatly appreciated
- a VERY concerned g37 owner
ps the car has 147k on it
- a VERY concerned g37 owner
ps the car has 147k on it
12-10-2018, 08:25 PM
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after i came home from work i turned my car off for about a half an hour and then went back out and for ****s and giggles i decided to go fast (above 3500) and it worked with no hesitation. idk if that helps but this seems like it might not be a reoccurring problem?
12-13-2018, 07:10 AM
#5
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I had a similar issue, no check engine lights, no codes. I even checked it while running and it was doing that. Had dealer check it, they found nothing. But As OP stated, next time you start it, it runs fine.
I have had this happen 3 times now. still no codes or check engine light.
I have had this happen 3 times now. still no codes or check engine light.
12-13-2018, 07:50 AM
#6
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Telcoman
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12-14-2018, 08:43 AM
#8
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Keep in mind the normal Autozone scanner is just OBII scanner...surface level diagnostics. Infiniti dealership and SOME other specialty car shops will have all the diagnostic tools to truly assess and see what the heck is going on.
12-14-2018, 10:37 AM
#10
It seems Nissan dealers will scan codes and perform basic maintenance, but they refuse to work with engine & transmission electronics. Most likely because they don't have the correct libraries for their Consult devices or legal issues regarding emissions. Or they won't step on another dealer's toes...
12-15-2018, 04:24 PM
#11
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hello, it was not my intention to be on this thread but here i am. I just recently bought a 2009 infiniti g37x from a local guy about 3 days ago. The problems have already started to pour in. To start, i have an exhaust leak, dont know if this would effect the problems im having but i decided its somewhere to start. Today i was driving back from work and noticed that the car wouldnt go past 3500rpm and gives a violent “bucking” As i tried to go fast in it. There is also some shaking in the engine and when i test drove it i didnt notice it, it is much more prevalent today. My boss said he would run the computer on it tomorrow to see whats wrong with it, im running plus fuel and there are no check engine lights on. The shaking and 3500rpm limit it very concerning to me as i have just purchased the car for 6200 knowing i would have to get new breaks. If you can provide any help at all it would be greatly appreciated
- a VERY concerned g37 owner
ps the car has 147k on it
- a VERY concerned g37 owner
ps the car has 147k on it
Check the brake pedal switch. That one can cause such behavior with no error codes.
G37 brake switch
12-15-2018, 05:34 PM
#12
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Your failure to spend the one hour labor rate at an Infiniti dealer to thoroughly inspect,check out, and run the VIN number and give you a vehicle service history on a vehicle with 147k miles left you unable to negotiate the purchase price for any defects such as new brakes.
Telcoman
Telcoman
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MStrike (09-24-2020)
12-23-2018, 06:54 PM
#13
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I had this happen 3 times in the last 4 months. It just happened again on Friday. Still no codes. I am going to do a throttle clean, I will ck that switch. I just wish we had more of a solid answer.
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telcoman (12-24-2018)
12-23-2018, 08:01 PM
#15
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Is Nissan able to do it? Infiniti was suppose to do it, but they said nothing was found. So I am not sure if they checked it. They did other work on it that same day.