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1992 Cadillac Seville No Restart

1992 ALL OTHER MAKES ALL OTHER MODELS
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UNCLEWOOTSIE
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  • 40 POSTS
:x mm 1992 cadilliac seville run fine but when i stop at the store for 5 minutes and return to start the car it wont start when i turn the key the radio lights go out but the dash gauge lights stay on the starter does,nt make a sound ilet it sit for 30 minutes to one hour and the car starts on first crank i,ve installed new sparkplugs and spark plug wires an ingnition coil , ignition module distributor cap and rotor button i also checked the codes i only found one code ( io-52 and i dont know what it mean where do i go from here please help
Aug 7, 2006 at 10:34 AM
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MIKEYBDMAN
  • ✓Experienced Mechanic
  • 623 POSTS
[quote:010975c9dc="unclewootsie"]:x mm 1992 cadilliac seville run fine but when i stop at the store for 5 minutes and return to start the car it wont start when i turn the key the radio lights go out but the dash gauge lights stay on the starter does,nt make a sound ilet it sit for 30 minutes to one hour and the car starts on first crank i,ve installed new sparkplugs and spark plug wires an ingnition coil , ignition module distributor cap and rotor button i also checked the codes i only found one code ( io-52 and i dont know what it mean where do i go from here please help[/quote:010975c9dc]

I found this....
If code E052 is seen accompanied by complaint of engine quit, stumble, telltale's flashing or other stored codes, check for intermittent loss of power or ground to the PCM on CKT 480 and 450 respectively. Manipulate wiring and connections with engine running. Remove and replace the PCM A/B, C/D, and E/F connectors and ensure that they are latched.
The G301 ground is located under the right Kick panel. There are two gounrd bolts, and the G301 is the top bolt. Check that and the associated wiring the the ECM.
Good luck
Aug 7, 2006 at 10:45 AM
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UNCLEWOOTSIE
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  • 40 POSTS
:roll: my 1992 cadillac seville 4.9 liter has a code io 39 what does this mean
Aug 8, 2006 at 12:50 PM
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UNCLEWOOTSIE
  • MEMBER
  • 40 POSTS
vcc brake ingnition engaging problem
Oct 26, 2006 at 8:19 AM

Suggested Repair

Treat the stored code as E052 and check for intermittent power or ground loss to the PCM on circuits 480 and 450. With the engine running, manipulate the wiring and connections, then remove and reseat the PCM A/B, C/D, and E/F connectors so they latch fully. Also inspect the G301 ground under the right kick panel—the top of the two ground bolts—and its wiring to the ECM.

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Conversation Summary

The owner of a 1992 Cadillac Seville said it runs normally but will not crank after a short stop; radio lights go out while gauge lights stay on, and it starts after sitting 30 to 60 minutes. New plugs, wires, coil, ignition module, cap, and rotor did not fix it, and code IO-52 was stored. The expert identified this as E052 and advised checking PCM power and ground circuits 480 and 450, reseating the PCM connectors, and inspecting the G301 ground under the right kick panel. Later messages about code IO-39 and a VCC brake ignition issue received no reply.

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