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My 1986 Oldsmobile Automatic full equipped, Delta 88, Royal Braugham , V-6,, 3.8 cc has problems as follows: It suddenly stalls, especially when I step on the brake. At times the engine run smooth, and no problem, then suddenly it starts to malfunction, and stalls. What I did is: I had all the 6 fuel injectors cleaned and replaced the rubber seals. I had 6 new Sparkplugs installed, I had replaced the oil filter and put in new oil. I also replaced the fuel filter.After all this, I still have the problem of stalling. What can I do further, Please let me know.
Year: 1986Make: OldsmobileModel: Delta 88, Royal BraughamEngine: V-6, 3.8 cc Already Tried: I put in new sparkplugs, Cleaned fuel injectors and replaced all their rubber seals, made an oil changed and put in new oil filter, install new Fuel filter. That is what I did up to now.
Hello
The car stalls when you step on the brake at idle?
When i am driving and I have to slow down , it stall at times.Before it stall the engine start to malfunction, it shakes etc., and stops.
Do you know if the check engine light is on?
The check engine light is on, when it stalls, and sometimes when I think the engine is working fine, the light is also on, then it goes off again.
We need to find the code on the computer here is how to do it.
The ECM incorporates a diagnostic program which, when activated, will flash codes stored in the trouble code memory through the ``Check Engine'' Lamp (CEL). A diagnostic connector, located under the instrument panel, is used to activate the self-diagnosis system. The connector, Fig. 6, allows access to system circuits and contains a test terminal which, when grounded with the ignition on and engine stopped, causes stored trouble codes to be flashed on the CEL.When the test terminal is grounded (jumper terminal "A" to "B") with the ignition on and engine stopped, codes are displayed in numerical order, always starting with code 12 which indicates that the self-diagnosis system is operating properly. Trouble codes are displayed in the following manner: Code 12 is displayed by one flash, a short pause, then two flashes and a longer pause. Code 12 will be displayed 3 times in this manner, then any additional codes stored will be displayed 3 times each in a similar manner until all codes have been displayed. Once all codes have been displayed. The process will be repeated as long as the test terminal remains grounded. After trouble codes have been noted, the ground wire should be removed from the test lead and the engine should be started. When the engine is started and there are no other codes except 12, the CEL should go out after approximately 5 seconds, indicating that the ECM has not detected a malfunction. However, if the ECM detects a current malfunction, the CEL will remain illuminated while the engine is running. A trouble code indicates a possible system malfunction. If a trouble code can be obtained, even if the CEL is off when the engine is running, the malfunction is intermittent and it may be necessary to road test the vehicle to observe conditions under which the malfunction occurs. Use of a SCAN tester greatly reduces the amount of time necessary to diagnose intermittent malfunctions.Perform the ``Diagnostic Circuit Check'' in ``Testing Procedures'' to ensure the self-diagnosis system is operating properly. Follow steps as indicated in the Diagnostic Circuit Check and perform indicated corrections before proceeding with further tests
Technician
15 years working in all makes and models
Hello Mauricio, Sorry for the delay in letting you know about my car, but up to today it is at the mechanic who in meantime tested and changed a number of sensors etc; we reach as far as the motor is now starting to malfunction and stalls when we put on the airco. However I accept your approach to the problem I still have with the car. Hopefully today we may get a clue to the real "culprit" and fix the car. Your answer is accepted.