# RB20DET problems....lol

**URL:** https://forums.speedlife.net/t/rb20det-problems-lol/232174
**Category:** SON240sx Automotive
**Created:** [August 7, 2013, 6:12pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174 "2013-08-07T18:12:32Z")
**Posts on this page:** 9
**Page:** 1

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### Author: ![KaptainBlackz](https://avatars.discourse-cdn.com/v4/letter/k/dbc845/32.png) [@KaptainBlackz](https://forums.speedlife.net/u/KaptainBlackz)
#### Post date: [August 7, 2013, 6:12pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/1 "2013-08-07T18:12:32Z")

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### Author: ![G-E](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/g-e/32/5546_2.png) [@G-E](https://forums.speedlife.net/u/G-E)
#### Post date: [August 7, 2013, 8:37pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/2 "2013-08-07T20:37:09Z")

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Bad timing, bad cas? Any codes?

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### Author: ![marky](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/marky/32/6144_2.png) [@marky](https://forums.speedlife.net/u/marky)
#### Post date: [August 7, 2013, 10:32pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/3 "2013-08-07T22:32:05Z")

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had the same problem check all sensors (TPS,o2, **MAF,** etc…), try cleaning out the throttle plate and IACV aswell. check fuel lines for leaks.

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### Author: ![nickpavlyukh](https://avatars.discourse-cdn.com/v4/letter/n/ce73a5/32.png) [@nickpavlyukh](https://forums.speedlife.net/u/nickpavlyukh)
#### Post date: [August 8, 2013, 7:22am UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/4 "2013-08-08T07:22:10Z")

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people dont realize but you need to upgrade the fuel pump to a walbro, get a 300zx fuel filter and get a afpr these motors fuel system needs to be running at 42psi if i remember from the fsm

if you have a KA fuel pump in there still it doesnt have enough oooomf to keep up

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### Author: ![KaptainBlackz](https://avatars.discourse-cdn.com/v4/letter/k/dbc845/32.png) [@KaptainBlackz](https://forums.speedlife.net/u/KaptainBlackz)
#### Post date: [August 8, 2013, 2:07pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/5 "2013-08-08T14:07:53Z")

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### Author: ![KaptainBlackz](https://avatars.discourse-cdn.com/v4/letter/k/dbc845/32.png) [@KaptainBlackz](https://forums.speedlife.net/u/KaptainBlackz)
#### Post date: [August 9, 2013, 4:50am UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/6 "2013-08-09T04:50:59Z")

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### Author: ![Sky14](https://avatars.discourse-cdn.com/v4/letter/s/bcef8e/32.png) [@Sky14](https://forums.speedlife.net/u/Sky14)
#### Post date: [August 11, 2013, 6:42pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/7 "2013-08-11T18:42:56Z")

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Change ur maf

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### Author: ![KaptainBlackz](https://avatars.discourse-cdn.com/v4/letter/k/dbc845/32.png) [@KaptainBlackz](https://forums.speedlife.net/u/KaptainBlackz)
#### Post date: [August 12, 2013, 2:51pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/8 "2013-08-12T14:51:33Z")

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### Author: ![KaptainBlackz](https://avatars.discourse-cdn.com/v4/letter/k/dbc845/32.png) [@KaptainBlackz](https://forums.speedlife.net/u/KaptainBlackz)
#### Post date: [August 13, 2013, 6:07pm UTC](https://forums.speedlife.net/t/rb20det-problems-lol/232174/9 "2013-08-13T18:07:42Z")

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