Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC1983ELDORADO V8-350 5.7L DSLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTIGNITION - MISS, STUMBLE, HESITATION, CODE 53, E53, E053
1983 Cadillac Eldorado V8-350 5.7L DSL
Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
1983 Cadillac Eldorado V8-350 5.7L DSLSECTION Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
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Bulletin No. T-90-36
File in Group 6E
Number 75
Corp. Ref. No. 916534R
Date Jan. 1990
SUBJECT: INTERMTTTENT CODE 53, E53, E053
MODELS AFFECTED: 1982-1985 BROUGHAMS 1982-1990 DE VILLES, FLEETWOODS, ELDORADOS, SEVILLES 1987-1990 ALLANTES
Some 1982-1985 Broughams, 1982-1990 DeVilles, Fleetwoods, Eldorados, and Sevilles, and 1987-1990 Allantes equipped with the 4.1L or 4.5L engine may experience a code 53, E53, or E053. The intermittent code may be caused by a momentary internal open in the distributor pick-up coil. The customer may have experienced a miss, stumble, hesitation, sag, or engine stall. Should the vehicle experience a stall, the engine will restart immediately. Trouble code diagnosis may lead to an intermittent condition.
To repair this condition use the following procedure:
1. Perform trouble code diagnosis.
2. Check circuit 430 for an intermittent open or short to ground.
3. Check circuit 453 for an intermittent open.
4. Check for loss of battery power to B+ terminal of the distributor.
5. Check ignition switch contact timing.
6. Replace pick up coil. Refer to Section 6D of the appropriate Service Information Manual.
For warranty purposes use Labor Operation J4460 with the appropriate time from the applicable Labor Time Guide.
Bulletin No. T-90-36
File in Group 6E
Number 75
Corp. Ref. No. 916534R
Date Jan. 1990
SUBJECT: INTERMTTTENT CODE 53, E53, E053
MODELS AFFECTED: 1982-1985 BROUGHAMS 1982-1990 DE VILLES, FLEETWOODS, ELDORADOS, SEVILLES 1987-1990 ALLANTES
Some 1982-1985 Broughams, 1982-1990 DeVilles, Fleetwoods, Eldorados, and Sevilles, and 1987-1990 Allantes equipped with the 4.1L or 4.5L engine may experience a code 53, E53, or E053. The intermittent code may be caused by a momentary internal open in the distributor pick-up coil. The customer may have experienced a miss, stumble, hesitation, sag, or engine stall. Should the vehicle experience a stall, the engine will restart immediately. Trouble code diagnosis may lead to an intermittent condition.
To repair this condition use the following procedure:
1. Perform trouble code diagnosis.
2. Check circuit 430 for an intermittent open or short to ground.
3. Check circuit 453 for an intermittent open.
4. Check for loss of battery power to B+ terminal of the distributor.
5. Check ignition switch contact timing.
6. Replace pick up coil. Refer to Section 6D of the appropriate Service Information Manual.
For warranty purposes use Labor Operation J4460 with the appropriate time from the applicable Labor Time Guide.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.