omnigear Posted March 6, 2015 Share Posted March 6, 2015 Attached is the Nistune Log fresh this morning along with the items that the dealer have changed. My Car studder and shivers between 1k-2k rpm no matter what gear it is. The problem partially went away after they changed the items like gasket , maf,o2 sensor, and seals. But it still happens and I cant pinpoint the problem, last time the car was serviced it took them two weeks before getting my car back. It is my daily and I cant really afford that long down time . This just happens in that rpm range usually happens when the car is cold and even when the operating temp is reach it still happens , but not as much. sorry i guess the board dont like csv files and put it on mega. https://mega.co.nz/#!SBklkCzb!ow2js3z8UwZTcmoz1LaLRC1dstauRNDMWzZxWqqee-E Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/ Share on other sites More sharing options...
omnigear Posted March 6, 2015 Author Share Posted March 6, 2015 no DTC does showing. seems that I cant edit my post after x min Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7491872 Share on other sites More sharing options...
Stixbnr32 Posted March 6, 2015 Share Posted March 6, 2015 Get a good ECU for starters for a GTR. Could be AFM's or harness. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7491946 Share on other sites More sharing options...
GTRPSI Posted March 6, 2015 Share Posted March 6, 2015 What spark plugs brand, heat range and gap are being run? Have the coil packs been checked? Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7491962 Share on other sites More sharing options...
omnigear Posted March 6, 2015 Author Share Posted March 6, 2015 Get a good ECU for starters for a GTR. Could be AFM's or harness. new AFMs , ECU dont matter when it is in stock tune and the previous ECU is a chipped tune. What spark plugs brand, heat range and gap are being run? Have the coil packs been checked? oem plugs , nissan dealer checked the coils. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7491964 Share on other sites More sharing options...
GH05T Posted March 6, 2015 Share Posted March 6, 2015 My Car studder and shivers between 1k-2k rpm no matter what gear it is. Is this just in gear ? could be looking at a drive train issue. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7492093 Share on other sites More sharing options...
omnigear Posted March 6, 2015 Author Share Posted March 6, 2015 its in gear, why would it be drive train ? it happens at a specific part of the revs. I can rev the engine in Neutral up to 5k drop it in gear and it would still sputter back down to 1-2k Is this just in gear ?could be looking at a drive train issue. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7492103 Share on other sites More sharing options...
GH05T Posted March 6, 2015 Share Posted March 6, 2015 shivering under 2k in gear i was thinking possible clutch shuddering, still sounds like a coilpack "type" issue. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7492371 Share on other sites More sharing options...
omnigear Posted March 7, 2015 Author Share Posted March 7, 2015 ill check and borrow one of the guys coils here and see if that fix the problem shivering under 2k in gear i was thinking possible clutch shuddering, still sounds like a coilpack "type" issue. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7492443 Share on other sites More sharing options...
GTRPSI Posted March 7, 2015 Share Posted March 7, 2015 And while you are there, pull the plugs out, check the condition, the heat range written on them and their gap. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7492537 Share on other sites More sharing options...
mr skidz Posted March 7, 2015 Share Posted March 7, 2015 mine did this and while I was changing plugs and pissing off the 32 carbon tips on the coil spring I found both my black earth wires had been pinched and atleast half the wires had been severed (bad earth = weak spark) possibly got caught in the back of the coil cover. new coil pack harness for about 100 bucks is a good idea anyway as the original has been cooked to death. Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7492546 Share on other sites More sharing options...
GH05T Posted March 8, 2015 Share Posted March 8, 2015 yup, there is a trader on here somewhere who sells them.just work your way backcopper plugs, correct head and gapcoil packs (there just old and should be replaced if not done so far)coilpack loom, as stated.... cooked.ignitor, also just oldjust do the basics man, as you will have the sparkplugs out, do a simple compression test, pull off rubber (usually crispy by now) vac hoses and check for cracks leaks, check your fuel filter ectso many threds on this kinda stuff..i know your mechanic has checked them but really man there is only so much you can just check without replacing anyway. 1 Link to comment https://www.sau.com.au/forums/topic/454472-car-trouble-bnr32-1990/#findComment-7492950 Share on other sites More sharing options...
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