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91camaro_rs
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Joined: 03 Dec 2008
Posts: 1712
Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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 Posted: Tue Jun 19, 2012 8:44 pm Post subject: 92 rs no start |
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ok so a friend of mine has a 92 rs TBI 305. everything is factory minus the aftermarket fan switch.
she drove it to work and when she came out it wouldnt start. had the car towed home, we tried replaced the starter and the ICM, still nothing, were kinda stumped. its wierd it was just an all of the sudden thing
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'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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91camaro_rs
Member
Joined: 03 Dec 2008
Posts: 1712
Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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| Posted: Tue Jun 19, 2012 8:54 pm Post subject: |
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only code it had was the EGR code which is 54 i believe
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aaron_sK
Member
Joined: 23 Jan 2006
Posts: 8834
Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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| Posted: Tue Jun 19, 2012 9:25 pm Post subject: |
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| Quote: | | Code 54: Low voltage at fuel pump OR Low voltage at Fuel pump relay OR Output failure at quad driver module |
Confused as to why you would replace a starter and then an ignition module?!?
The two fail in very different ways. |
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91camaro_rs
Member
Joined: 03 Dec 2008
Posts: 1712
Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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| Posted: Tue Jun 19, 2012 9:54 pm Post subject: |
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my bad the code was 53, i new what the issue was but not the number of the code
53. High voltage at battery OR High voltage at exhaust gas recirculation valve OR Voltage reference error OR Problem at vehicle anti-theft system
well when my car didnt start i tried replaced those two things and it started again
we didnt actually replace it we swapped it out and see if it fixed it and it didnt so we put the old one back in
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Tue Jun 19, 2012 10:33 pm Post subject: |
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Its tbi. Does it crank? Does it have spark? Are the injectors firing? Need more info in , it won't start.
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iansane
Member
Joined: 16 Jan 2004
Posts: 5742
Location: Bothell
1991 Pontiac Trans Am
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| Posted: Tue Jun 19, 2012 10:38 pm Post subject: |
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| 91camaro_rs wrote: | | OR Problem at vehicle anti-theft system |
*cough*
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| Quote: | | Sometimes I actually think I'm slightly retarded in the mouth. |
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91camaro_rs
Member
Joined: 03 Dec 2008
Posts: 1712
Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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| Posted: Tue Jun 19, 2012 11:33 pm Post subject: |
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doesnt crank but does have spark, fuel pump primes, but when you turn key to start it nothing happens
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iansane
Member
Joined: 16 Jan 2004
Posts: 5742
Location: Bothell
1991 Pontiac Trans Am
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| Posted: Wed Jun 20, 2012 12:04 am Post subject: |
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...how do you know it has spark if it's not cranking?
(and are you getting 12v on the purple wire when the key is in the START position?) |
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91RSVert
Member
Joined: 16 May 2007
Posts: 2736
Location: AR
1991 Chevrolet Camaro RS
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| Posted: Wed Jun 20, 2012 2:45 am Post subject: |
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I agree with IAN
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2008 GMC Z71
1991 Camaro RS Vert
1972 Jimmy 4x4
20ft Longhorn Car Hauler
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aaron_sK
Member
Joined: 23 Jan 2006
Posts: 8834
Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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| Posted: Wed Jun 20, 2012 6:02 am Post subject: |
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| iansane wrote: | | ...how do you know it has spark if it's not cranking? |
Check for voltage at the solenoid. I'm betting on a VATS failure as well. |
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Wed Jun 20, 2012 8:07 am Post subject: |
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| aaron_sK wrote: | | iansane wrote: | | ...how do you know it has spark if it's not cranking? |
Check for voltage at the solenoid. I'm betting on a VATS failure as well. |
That's some good humor to start hump day!
Test light on the purple lead for the solenoid at the starter. If no power in the "crank" key position, work your way backward to the starter relay/vats/neutral switches/ignition switch.
If it has power and the heavy leads are tight, replace starter.
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91camaro_rs
Member
Joined: 03 Dec 2008
Posts: 1712
Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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| Posted: Wed Jun 20, 2012 9:14 pm Post subject: |
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put a paper clip in the spark wire that goes to the top of dizzy and use a screw driver to bridge the starter posts and look for spark.
the car wont even start if you put key to on and use a screw driver across the starter
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aaron_sK
Member
Joined: 23 Jan 2006
Posts: 8834
Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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| Posted: Wed Jun 20, 2012 9:40 pm Post subject: |
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| So... fuel injectors not firing, starter not cranking. What does this remind you of? |
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91camaro_rs
Member
Joined: 03 Dec 2008
Posts: 1712
Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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| Posted: Wed Jun 20, 2012 9:43 pm Post subject: |
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VATS....so how does this get fixed? do you have to replace the module? or what
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aaron_sK
Member
Joined: 23 Jan 2006
Posts: 8834
Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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| Posted: Wed Jun 20, 2012 10:05 pm Post subject: |
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| 91camaro_rs wrote: | | replace |
You see? You have learned nothing!
Test! Test the wiring at the starter as Ian, Paul and myself have all suggested. Then work your way back till you find power. If you find an issue at the module test the other end of it to make sure it's getting the right signal from the key, and so on.
If you want to throw parts at problems on your own cars that's fine because you are only wasting your own time and money. When you work on other people's cars they are not going to be very appreciative when they get a bill for a new starter, new ignition module, new VATS module, and then they find out that the issue was a ten cent resistor on their key that sh** the bed.
Not trying to be a dick, but there's more to this than buying parts and bolting them on. That's how the army fixes vehicles, but not the rest of the world.  |
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