code 45 on a turbo

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zeke
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code 45 on a turbo

Post by zeke »

So I replaced my CTS because the car was running rough around 0-5 psi and idling high and was not throwing any codes. I reset the ecu now I have codes 22 23 and 45 as soon as I restart. Why would I get 45 when its a turbo model or could my ecu be stuffed?
91 ss Ej22t dohc td04 sti Slanty haltech elite 1500
zeke
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Joined: Sun Jan 22, 2012 8:16 am
Location: Yakima WA

Re: code 45 on a turbo

Post by zeke »

Also the check engine light is illuminated when stopped and flashes away when I'm moving with rpms over 2500
91 ss Ej22t dohc td04 sti Slanty haltech elite 1500
cj91legss
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Re: code 45 on a turbo

Post by cj91legss »

That seems weird that it's on at a stop and flashing. I suggest you take a look at the list of codes on Josh's site to reference code 45.

Code 45 is the Pressure Sensor and Pressure Exchange Solenoid. The non turbo models didn't have the boost sensors on the strut tower. This code will stop you from getting into boost and cause fuel cut if you attempt to.
91 L-TW Wagon with a full Swap -RIP
92 SS Prefaced, GD dash swapped, 22T/205 Hybrid 20 psi - BEAST!
93 SS Bone Stock Gone!
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98 LGT Wagon 4EAT
Legacy777
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Re: code 45 on a turbo

Post by Legacy777 »

I would recommend running only the green diagnostics connectors to do the active diagnosis and see what codes come up. Typically you want to tackle the lowest numbered code first. However doing the active check kind of does that for you, so when you fix the problem detected in the active check if anything else remains you'll get another code. Instructions are on my site.

www.surrealmirage.com/subaru/engine.html
Josh

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1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

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Abeall2
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Re: code 45 on a turbo

Post by Abeall2 »

shoot you guys. I have the knock code; I will look further in the site but since u were talkin about codes I figured id mention. Also I changed the knock sensor. Doesn't sound like knocking.
90 AWD,5MT,Legacy w/ Ej22t swap.(Silver)
Legacy777
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Re: code 45 on a turbo

Post by Legacy777 »

If the knock sensor code is coming up and you've checked the knock sensor resistance, I'd check the knock sensor wiring. It is known to become brittle and lose continuity.

Here is a scan with info on the knock sensor resistance and wiring tests.

http://www.main.experiencetherave.com/s ... r_diag.pdf
Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

If you need to get a hold of me please email me rather then pm
sakis subaru
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Re: code 45 on a turbo

Post by sakis subaru »

ΚΑΛΗΜΕΡΑ ΑΠΟ ΕΛΛΑΔΑ ΣΕ ΟΛΟΥΣ ΤΟΥΣ ΛΑΤΡΕΙΣ ΤΩΝ SUBARU. EΧΩ ΕΝΑΝ ΚΩΔΙΚΟ 45 ΚΑΙ ΕΓΩ ΣΤΟ LEGASY GT 1994 . ΕΚΑΝΑ ΕΛΕΝΧΟ ΤΟΥΣ ΑΙΣΘΗΤΗΡΕΣ ΟΛΑ ΦΑΙΝΟΝΤΑΙ ΕΝΤΑΞΕΙ .ΑΛΛΑ Ο ΚΙΝΗΤΗΡΑΣ ΠΑΙΡΝΕΙ ΜΠΡΟΣΤΑ ΜΕ ΔΥΣΚΟΛΙΑ ΚΑΙ ΣΒΗΝΕΙ ΣΕ 5 ΔΕΥΤΕΡΟΛΕΠΤΑ.ΘΑ ΗΘΕΛΑ ΚΑΠΟΙΑ ΒΟΗΘΕΙΑ ΕΝΑ ΣΧΕΔΙΟ ΗΛΕΚΤΡΙΚΟ ΤΟΥ ΑΥΤΟΚΙΝΗΤΟΥ ΓΙΑ ΝΑ ΕΛΕΝΞΩ ΠΑΡΑΠΑΝΩ ΤΙ ΦΤΑΙΕΙ. ΕΥΧΑΡΙΣΤΩ ΟΛΟΥΣ ΕΣΑΣ ΓΙΑ ΤΗΝ ΓΝΩΣΗ ΕΔΩ ΠΕΡΑ .
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