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DA w b20b boost problem. HELP!!!! shuts off after i hit boost

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Old Sep 10, 2009 | 11:34 AM
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Default DA w b20b boost problem. HELP!!!! shuts off after i hit boost

i have a 91 integra ls that i swapped a b20b and a 18g greddy turbo, cast manifold and outlet on, for fuel mang im running a 10-1 fmu (only untill my emanage harness arrives) and a walbro 255 pump. when ever i hit boost the car gose into limp mode the first time, the second time i hit boost it shut off and will not start again,

the ecu throws 6 n 7 for codes which are the ect and tps, i just installed a brand new dizzy on it, im fucking cluless and am remembering why i stopped owning hondas and switched to nissans. and help would be appreciated!
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Old Sep 10, 2009 | 12:13 PM
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stock map sensor only reads 10 psi. if it sees more than that it will go into limp mode.
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Old Sep 10, 2009 | 01:34 PM
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boost solinoid and 3 or 4 bar map sensor...And 10:1fmu...jeez get hondata or some type of chip and take it to the dyno.
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Old Sep 10, 2009 | 01:45 PM
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time for a tune !
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Old Sep 10, 2009 | 03:40 PM
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i guess what im asking is, when the ecu goes into limp mode means it has no power?

why dose it not restart after it enters limp mode?
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my lag is your courtesy head start


ATTENTION.... installing a head gasket, head studs or pistons and rods in your otherwise STOCK engine dose not make it a "built" engine! stop listing you cars for sale saying they are built when its not!!




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Old Sep 10, 2009 | 06:51 PM
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1. Remove the fmu
2. Resolve all codes
3. Get the proper engine management, injectors & fuel pump
4. Have the car properly dyno tuned.
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Old Sep 10, 2009 | 07:22 PM
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it still shud run in limp mode its a safe zone 4 your motor
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Old Sep 10, 2009 | 08:33 PM
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im removing the fmu, installing a extra set of 550s and using a emanage and my aem wideband for tuning, this is a temporary fix, just need it till my other harness arrives, just wondering if ne had a input?

i checked voltage at the tps and its not getting 0-5v on any of the 3 prongs
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my lag is your courtesy head start


ATTENTION.... installing a head gasket, head studs or pistons and rods in your otherwise STOCK engine dose not make it a "built" engine! stop listing you cars for sale saying they are built when its not!!




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Old Sep 10, 2009 | 08:36 PM
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Originally Posted by sullivanracing06
im removing the fmu, installing a extra set of 550s and using a emanage and my aem wideband for tuning, this is a temporary fix, just need it till my other harness arrives, just wondering if ne had a input?

i checked voltage at the tps and its not getting 0-5v on any of the 3 prongs
1. Do not run the emanage.
2. Use the helms manual to troubleshoot your tps.
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Old Sep 10, 2009 | 08:37 PM
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emanage dosent work well with hondas? works great with my rb
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my lag is your courtesy head start


ATTENTION.... installing a head gasket, head studs or pistons and rods in your otherwise STOCK engine dose not make it a "built" engine! stop listing you cars for sale saying they are built when its not!!




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