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Need help with 3800SC Series III with Northstar Throttle Body MAF sensor. How? Where?
(Technical Discussion & Questions - by JohnWPB, started: 12-31-2016, last post: 2017-01-04 23:21:23 CET)
I am almost finished with my swap, and can not get the engine to run. I have 90 PSI fuel pressure before the regulator, and reading 52 PSI on the fuel rail. All the specks I have found for the Series III engine say that 50-55 PSI fuel pressure is idea. The plugs are all new, and gapped to specs,...
Score: 1000, Size: 93 bytes
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and now a question for the Northstar throttle body swappers
(Technical Discussion & Questions - by Dave E Bouy, started: 08-27-2015, last post: 2015-08-30 01:26:11 CEST)
I am installing a 2000 Northstar throttle body and MAF on a gen v supercharger and have 2 questions about wiring. 1st. I have the TPS connector and the colors are the same as any other GM TPS I've ever seen, blue, grey, black, should I assume I can connect blue wire to blue wire, grey wire to...
Score: 1000, Size: 71 bytes
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Looking for 2.5 throttle body
(Technical Discussion & Questions - by iwantarotaryfiero, started: 06-20-2015, last post: 2015-06-25 21:21:44 CEST)
Hi, I'm looking for a throttle body for an 87 2.5You can reach me at 416-407-7000Jim
Score: 1000, Size: 47 bytes
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3800 - lower manifold coolant plugs? or throttle body spacer with coolant blockoff?
(Technical Discussion & Questions - by DimeMachine, started: 06-10-2019, last post: 2019-06-23 20:47:40 CEST)
Question for the 3800 crowd and first hand knowledge.My air inlet pipe and rubber coupler is getting more heatsoaked than I would like. I see a lot of the GTP crowd plugs the two holes in the lower intake manifold thus blocking coolant flow to the M90 supercharger and throttle body. I am not...
Score: 1000, Size: 96 bytes
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Vacuum leak at purge solenoid port in throttle body?
(Technical Discussion & Questions - by Tweeder, started: 10-19-2013, last post: 2013-10-20 00:21:46 CEST)
Is it possible to have a vaccum leak at the port on the throttle body to the purge solenoid? Not talking the line itself but where the metal goes into the throttle body. I was spraying with carb cleaner around there to see if the new throttle body gasket was working and I noticed it stumble, I...
Score: 1000, Size: 60 bytes
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Throttle Body
(Technical Discussion & Questions - by mnicolia, started: 06-24-2022, last post: 2022-06-24 08:02:09 CEST)
So, I had my intake off my Fiero today, and this one is new to me, and I've never owned a V6 version. Anyways are these ports suppose to be open, or is something suppose to be hooked up to them?
Score: 1000, Size: 22 bytes
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Rebuilding Throttle body 2.5L Duke
(Technical Discussion & Questions - by JMTUT, started: 12-03-2017, last post: 2017-12-04 15:56:14 CET)
I'm pl.anning on rebuilding my Throttle body. Car sat for over a year before I purchased it.I have a question on the kit I bought from Rock Auto. I have not taken off this type of TB before. The kit has two large gaskets, I presume for the intake to throttle body. Are both of these gaskets...
Score: 1000, Size: 40 bytes
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throttle body torx screws
(Technical Discussion & Questions - by jhsr390, started: 08-08-2013, last post: 2013-08-08 23:57:45 CEST)
Hi Forum,Does anyone out there know off hand the size of the two Torx screws that secure the throttle body to the plenum.Any response appreciated.Thanks, Jim
Score: 1000, Size: 33 bytes
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WOT on a 2.8 throttle body
(Technical Discussion & Questions - by pmbrunelle, started: 04-28-2018, last post: 2018-04-29 19:38:39 CEST)
Is it just me, or at WOT is the butterfly not fully horizontal?If I wanted to soup up my engine (for more peak hp), it would be easy to tweak (grind) the throttle stop to allow the throttle to open further.Is there any potential issue I'm missing?It seems almost too easy; if Pontiac limited the...
Score: 1000, Size: 37 bytes
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Throttle body leaking ?? Leaking what?
(Technical Discussion & Questions - by Frank-ero, started: 04-29-2019, last post: 2019-05-13 20:00:17 CEST)
I installed a new TPS and CPV. Took the Fiero down the road and some acceleration problems I was having had stopped. Next time it has code 21 and 22 (high voltage tps and low voltage tps...) But I took the hose from the throttle body off to spray some starter in and liquid comes pouring out! AH...
Score: 1000, Size: 48 bytes
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