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i have a 1994 buick park avenue fuel injectors will ...


Sent to Car Experts November 08, 2005 3:31 p.m.
i have a 1994 buick park avenue fuel injectors will not
pulse getting fire at injectors but will not pulse i
change the ecm also car quit firing

Optional Information: 1993 Buick park avenue 3800
Already Tried:
replace the ecm ,crank
sensor,check grounds


Edited by Customer (name blocked for privacy) on November 8 2005 at 3:40pm
Customer (name blocked for privacy)
Status: Closed   Value: $10   
Info Request
November 08, 2005 5:23 p.m. (1 hour and 51 minutes later)
Do you have 12 volts at the injectors with the key on?If so does a noid light flash when you crank the engine?Does a spark tester produce a spark on more than one wire while cranking?Do you have fuel pressure?Does the check engine light come on when you turn the key to the run position?Where are the grounds you checked?


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PictureDavo  -- Master technician -- 99% Positive Feedback on 1892 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply
Sent November 08, 2005 5:55 p.m. (32 minutes and 28 seconds later)
yes 12volts at the injectors, noid light does
not flash when the car is crank over no spark
while cranking yes i have 35psi of fuel pressure
yes the check engine light come on when i turn
the key to run computer have a code 12 and 59
stored in it i checked the ground on the intake
Customer (name blocked for privacy)
Answer
November 08, 2005 6:06 p.m. (10 minutes and 44 seconds later)
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PictureDavo  -- Master technician -- 99% Positive Feedback on 1892 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply
Sent November 08, 2005 6:47 p.m. (40 minutes and 32 seconds later)
would that cam sensor cause the injector noid
light not to flash
Customer (name blocked for privacy)
Info Request
November 08, 2005 6:52 p.m. (5 minutes and 56 seconds later)
It can do that yes.I need you to answer my questions if you wish to make headway on this problem.I need info to help you and you need to provide it to me because you are at the car not me.

__________________
Master ASE Certified.L1 Advanced Engine Performance Certified.Pa Emission Repair Technician.Just Answer Car Category Mentor.
PictureDavo  -- Master technician -- 99% Positive Feedback on 1892 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply
Sent November 08, 2005 7:05 p.m. (12 minutes and 47 seconds later)
i am using new parts put a new ignition module
new crank sensor and ecm didn,t bend any pins
and made sure harmonic blancer didn,t hit
the crank sensor unpluged cam sensor check it
and check the wires
Customer (name blocked for privacy)
Answer
November 08, 2005 7:11 p.m. (5 minutes and 57 seconds later) 		ACCEPTED Check Mark
You must have a bad wire some where in the engine harness or between the engine and ecm.You are going to have to do pin point testing of the wiring.Here is a wiring diagram to follow to find the shorted or broken wire.Pay close attention to the wiring between the crank sensor and the ignition module. Images available only to Customers.



__________________
Master ASE Certified.L1 Advanced Engine Performance Certified.Pa Emission Repair Technician.Just Answer Car Category Mentor.
PictureDavo  -- Master technician -- 99% Positive Feedback on 1892 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician

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