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Please someone shed some light on this horrible little problem. Up until 2 days ago the O2 sensor was happy and reading on Mega-tune while data logging. Now for some reason the gauge on mega-tune reads Red and fully around to the right at 28. Is this normal? is the sensor just cooked? the wiring hasn't been changed since the first start up 6 months ago........... Or is there a setting that I may have changed and not realized?
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Yes, I wasn't feeling so adventurous, so I got the Kit out of the UK from Nige. It was a great feeling to gave it start and run...... I'm out in Rolleston enjoying a monster frost.
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I have nearly finished a MS build, I may have some spare parts if you get stuck Regards
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Spot on, Thanks for your help and eagle eye on that one...... It now runs like it should....
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Fail!!!!!!!!!!!!!!!!! The temp sensor plug had not had the pins seated correctly....... click... and their in...... starts first time every time.... Cheers Nige, Although If you have a suggestion on how to get it to Idle below 2000RPM that would be great
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Although as Nige has mentioned its running rich as hell..... It runs better than it ever did...........................!!!
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Well bugger me!!!!!!!!!!!!!!! Here i was thinking fuel maps and O2 sensors. How marvelous. I will take a look at the little sucker this evening...... Nige? Will this also affect or solve the high Idle speed????? Regards Jason
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Well, it seems you are on the right track. After removing the plugs..... all 8. and replacing them with another set(not new) it fired up first turn. the 8 i removed are soaked in fuel. Is there a solution for this issue of flooding? of course it will not start again after running for a time. not that im complaining... it runs!!! it idles at 2200rpm ( nicely ) no hesitation revving at all. no Air leaks..... that I can see. I also have no reading on megatune for water temp.... but it comes up fine on the gauge. although I do need to sort the radiator........ it is blocked up...
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Well after a battle getting to the start stage of this Megasquirt install I turned the key today..... It just burst into life.... just amazing... sounds so different to the old setup... PROBLEM,,,,,,,,,,,,,,,,,,,,,,,!!!!!!!!!!!!!!!!!!!!! I turned it off...... And for the life of me the nasty thing will not start............... Any ideas????? I have touched nothing. so it started. it ran for 20min.... no hastles. turned it off. Tried to start it again straight away.... no good.!!!! Is this a common fault? do I have enough earths?
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Well after a battle getting to the start stage of this Megasquirt install I turned the key today..... It just burst into life.... just amazing... sounds so different to the old setup... PROBLEM,,,,,,,,,,,,,,,,,,,,,,,!!!!!!!!!!!!!!!!!!!!! I turned it off...... And for the life of me the nasty thing will not start............... Any ideas????? I have touched nothing. so it started. it ran for 20min.... no hastles. turned it off. Tried to start it again straight away.... no good.!!!! Is this a common fault? do I have enough earths?
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Well today was the day.... I started it and it ran but rattled and rattled and rattled till I could no longer stand the rattling. I think I'm going to pull the oil pump off and re-check it..... just in case. Also It has a nasty miss, like it's down on more than one cylinder. I need to check the Leeds I made.... Now would this be caused by the Alternator not charging? as after a few minutes of running Mega tune starts to drop off and the motor wants to stall..... I guess this system likes a healthy supply of voltage. Also does the alternator require power in? from the ignition switch?
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Well, after a few hours of Assembly today I think I should be ready to fire it up tomorrow. Fingers crossed it will do as it should....! Nige, What is you 5.2 built from? I have been told a 5L can be made from a 3.5 block with a small hone and a 4.4L layland P76 crank?
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Thank's Gentlemen, I did consider the 16 spanner rattling around theory but I just wasn't sure. it just sounds so punishing. On closer inspection the lifters are dry, so as recommended they are in a luxurious bath of oil. Just while I have your attention, is there any specific way to place the lifter in the hole? ie does the hole in the lifter need to face in any direction in particular?
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Hi Nige, It is the 3.9 V8 V belt kit you sent out to me in NZ. The first fire up was successful but the noise coming from the engine was horrific.... I pulled the front off the motor 3 times to try and find the issue but to no avail. In the end I put an engine I know is a good runner with no noises or smoke in to my RRC..... Plugged the MSQ up to it and crossed my fingers and turned the key. Unfortunately I was greeted with the same horrific tapping noise. As you can see from the last picture I have pulled this engine to bits and have found nothing out of the ordinary. I will replace the lifters to be sure but other than that I'm lost as to how to fix this???????????? Do I need to prime the lifters somehow? I don't believe there is any issue with the wiring as it seems to talk to mega tune and shows all gauge's. I have oil pressure.... lots of it. as you can see in the picture there is oil for Africa.... Any suggestions????