Author
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Topic: injector pulse trouble?
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i_am_handles
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Member # 6344
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posted
i think ive got to my problem.. my injectors arent pulsing idk why.. any suggestions?? id apreciate it
-------------------- chevy driver but ill drive a coupe
Posts: 128 | From: middle of a intersection | Registered: Dec 2005
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Blind
2.3L CAFords OG
Member # 3052
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posted
is this related to your thread about the car not starting that got keyboard gangstered?
Do you get spark? Do you have ~40psi of fuel pressure at the rail test port?
When you turn the key to run, this is what happens - ECU relay turns on, EEC turns on, fuel pump relay turns on, fuel pump primes for ~2 seconds, TFI turns on.
When you turn the key to crank - starter solenoid triggers the starter motor to crank, distributor spinning triggers the coil to send spark to each plug in the firing order, EEC triggers fuel injectors to spray in the firing order.
you should be able to track down which of those isn't happening. Maybe it's something silly like the orange wire on the back of the engine harness isn't grounded.
-------------------- 89 LX Notchback ex 4cyl, 14psi 02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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96mysticman
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Member # 8327
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posted
quote: Originally posted by Blind: is this related to your thread about the car not starting that got keyboard gangstered?
Do you get spark? Do you have ~40psi of fuel pressure at the rail test port?
When you turn the key to run, this is what happens - ECU relay turns on, EEC turns on, fuel pump relay turns on, fuel pump primes for ~2 seconds, TFI turns on.
When you turn the key to crank - starter solenoid triggers the starter motor to crank, distributor spinning triggers the coil to send spark to each plug in the firing order, EEC triggers fuel injectors to spray in the firing order.
you should be able to track down which of those isn't happening. Maybe it's something silly like the orange wire on the back of the engine harness isn't grounded.
+1 you just broke down how an engine actually works for him lol good shit
Posts: 580 | From: stockton | Registered: Apr 2008
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i_am_handles
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Member # 6344
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posted
Ya I appreciate it all the help. I think it's my injector harness All fuses and relay are new now. I get spark. All that. I need Sherlock Holmes lol
-------------------- chevy driver but ill drive a coupe
Posts: 128 | From: middle of a intersection | Registered: Dec 2005
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ddarkslayer
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Member # 10688
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posted
turn you volt meter to the ohm setting and put them on each injector. Is none of them firing? I not then it could be a bad computer. I have an extra FI harness I can sell you with the rail/injectors and the harness. [ March 22, 2011, 12:38 PM: Message edited by: ddarkslayer ]
Posts: 307 | From: Folsom | Registered: Feb 2011
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Duncan Motors
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Member # 7045
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posted
u might havta explain a ohm,,,, lol. im gonna roast u till u get here lol! lol.jk
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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i_am_handles
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Member # 6344
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posted
if i had the money id bring it to..all honesty so keep roasting all u want bro. ok im checkin all injectors
-------------------- chevy driver but ill drive a coupe
Posts: 128 | From: middle of a intersection | Registered: Dec 2005
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i_am_handles
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Member # 6344
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posted
im all fixed.. thanks everyone
-------------------- chevy driver but ill drive a coupe
Posts: 128 | From: middle of a intersection | Registered: Dec 2005
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ddarkslayer
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Member # 10688
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posted
was it the harness?
Posts: 307 | From: Folsom | Registered: Feb 2011
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