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I meant vac line back ON, then fuel psi drops to about 34psi & runs rough

I meant vac line back ON, fuel psi around 34psi, and runs rough

Yes, jumped on thread. Need a fuel regulator NOS Bosch 233 for my 85GN , hoping you still have one? Thanks Yes, having a issue with my fuel regulator. About 42psi from fuel pump with vac line off runs Ok, then fuel pressure drops to about 34psi with then vac line off, knock begins til I...

Yes, jumped on thread. Need a fuel regulator NOS Bosch 233 for my 85GN , hoping you still have one? Thanks Mike

Thanks for reply, aftermarket Walker same situation, idle hunts up/down still but not bad tho. May have passenger side header small hairline crack , hard to trouble with heat shields. Pulled orginal ac plugs out not bad, placed in china matched version , same. May have vacuum leaks at other...

Yes, understand your situation. I own now a 85 GN with 14k on odometer. May have a maf sensor faulty, do you have a spare maf sensor for sale, Thx Mike

Upgraded my 86 GN to New TurboTweak fuel injectors and matching Chip. Maybe someone looking for (5) original 28lb injector ‘s, maybe you need to rebuild for backup project. Found (1) 30lb injector @ # 6 cylinder ? $50 plus shipping

11:45 pm Long Day signing off 1-26-2022

Thanks for advise,ordered ( 6) Today,start from there

Thanks Will Do, and advise

Thanks for Congrad's, lot's to learn about GN Turbo. Scanmaster G is next

Thanks for the Welcome, lots to learn about the GN Turbo ect..( One Day at a Time ) Ordered NGK UR4 to start with

Checking my '86 GN for it's first tune-up, since I purchase two months ago. ( 28k on Odometer) Looking into a NGK spark plug ( maybe like NGK UR4 ) it's a Cross-over from what I have now installed,which is AC Delco 44TS. Anyone run's NGK and at what gap is Good? .032 for a stock GN.Just getting...

Found a deadspot in my TPS sensor. Ordered a New one

Found after setting TPS sensor with voltmeter, it had a deadspot somewhere in the middle. Ordered a New TPS sensor

Copy that , will set TPS at correct voltage at idle and check at Full throttle as well. Will check back with Ya with the results. Thx Scott H.

Um at work now EST (almost 12 am) tomorrow I recheck TPS settings .Thanks for your input. I remember reading about the TPS sensor is critical. I did check sensor with Ohm meter, I may sure it was OK. Let you how I make out. Also told Keep it Simple

Scanmaster G read 3 at idle, then ramps some when depressing gas pedal

Orginal MAF and No check engine codes

Well Guys, learning about the GN turbo. Car ran Ok for about a week or so. Then drama has set in . First checked spark plugs (Black replaced out all 6) coil pack New. Even bought New cam sensor with LED (blinks when running). Removed orginal crank sensor, cleaned out and inspected. Reinstalled...