G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

New problem for y’all...

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Old 10-21-2018, 03:14 PM
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New problem for y’all...

Sup guys. So I bought this 2003 g35 sedan with 135xxx miles in poor condition and had a bunch of work done on it. Water pump, radiator, thermostat, timing chain, and a pulley have all been changed. There was no problem except for a worn out wheel bearing that I meant to change sooner. Anyways, I let someone use it and they’re telling me that the coolant in the reservoir is overflowing and leaking through an open space at the top, so slight overheating occured. Also, the “service engine soon” light began blinking so now there’s a misfire. I also found out she’s been putting 89 gas in the car when it requires 91. My guess is that the wrong gas caused a misfire, which is making the car overheat. Idk if that makes sense. What do y’all think?
 

Last edited by iron_pecks49; 10-21-2018 at 03:24 PM.
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Old 10-21-2018, 03:24 PM
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not a chance, something unrelated is wrong. i use 89 in my 04 coupe on the daily among many others.
 
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Old 10-21-2018, 03:26 PM
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Originally Posted by cswlightning
not a chance, something unrelated is wrong. i use 89 in my 04 coupe on the daily among many others.
thanks for the response. What would your diagnosis be? I still haven’t seen the car to see the code
 
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Old 10-21-2018, 03:58 PM
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Front and rear cameras, tire pressure for all four tires can display on screen,folding side view mir
Originally Posted by iron_pecks49
I also found out she’s been putting 89 gas in the car when it requires 91. My guess is that the wrong gas caused a misfire, which is making the car overheat. Idk if that makes sense. What do y’all think?
You guessed wrong! Most parts in a almost sixteen year old vehicle are at or near end of life.Keep replacing parts and only use OEM.Stop blaming her!
I'm on my third Infiniti over thirteen years and over 1/4 million miles and only use regular 87 octane. Never had a problem and saved thousands of dollars in fuel costs.

Telcoman

 
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Old 10-21-2018, 05:30 PM
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Running low octane fuel might cause the ECU to retard the timing slightly under full load but will definitely not be causing an overheat condition. Pull the DTC code that it threw and troubleshooting.
 
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Old 10-22-2018, 06:20 PM
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Originally Posted by cswlightning
not a chance, something unrelated is wrong. i use 89 in my 04 coupe on the daily among many others.
Originally Posted by cleric670@gmail
Running low octane fuel might cause the ECU to retard the timing slightly under full load but will definitely not be causing an overheat condition. Pull the DTC code that it threw and troubleshooting.
Yep, I tried mid grade on a stock tune and I got considerably diminished performance and mileage. When I tried 87 it was like 10 mpg lol.
 
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Old 10-23-2018, 02:45 PM
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You sure it was a stock tune? It was lowered when you got it too right? I do notice when I'm running 87 I have a little less torque down below 1000 RPM and it doesn't seem to pull quite as hard at the very top end. When I'm out cruising I'll fill it with 93 and pull the battery for that fresh start.
 
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Old 10-24-2018, 11:16 AM
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Yeah lol I installed Uprev... twice on this car.
 
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