02-22-2017, 06:11 PM
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#10 (permalink)
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Base Member
Join Date: Feb 2017
Location: Upstate NY
Posts: 124
Drives: 12 sport 6MT
Rep Power: 10
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Quote:
Originally Posted by nis350
Need some expert advice about this issue. It is for our G37S with 7AT.
The car is totally normal at all time with the exception of occasional engine ping during take off from dead stop or slight rolling with light throttle. Car would start fine, idle and run smoothly otherwise.
We just have to let go the throttle for a second and everything would be back to normal. Engine ping never occur under any other situation. My guess is for some reason the fuel mixture become lean and cause the ping.
I have cleaned the MAF numerous times and run through a few fuel system cleaners already. Fresh air filters and oil etc. Car is totally stock.
TIA.
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Hey, I just posted this in another thread. Recently bought a 370 and have some pinging too under light throttle + some engine load. Found this in the manual: "Now and then you may notice light spark knock for a short time while accelerating OR driving up hills. This is no cause for concern, because you get the greatest fuel benefit when there is light spark knock for a short time under heavy engine load." Seems to be normal if nissan has it in the manual
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