Question about 1988 Oldsmobile Cutlass Supreme

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My 88 olds cutlass supreme FWD will not start. I have replaced the ignition module and ecm computer. I am getting fuel but no spark. The engine turns over fine.It just won't start. where do I go next?

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  • Oldsmobile Master
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If the engine won't start, perform a spark test as described earlier. This will narrow the problem area down considerably. If no spark occurs, check for the presence of normal battery voltage at the battery terminal (BAT) in the distributor cap. The ignition switch must be in the on position for this test. Either a voltmeter or a test light may be used for this test. Connect the test light wire to ground and the probe end at the BAT terminal at the distributor. If the light comes on, you have voltage to the distributor. If the light fails to come on, this indicates an open circuit in the ignition primary wiring leading to the distributor. In this case, you will have to check wiring continuity back to the ignition switch using a test light. If there is battery voltage at the BAT terminal, but no spark at the plugs, then the problem lies within the distributor assembly.
If the trouble has been narrowed down to the units within the distributor, the following tests can help pinpoint the defective component. An ohmmeter with both high and low ranges should be used. These tests are made with the cap assembly removed. and the battery wire disconnected. If a tachometer is connected to the TACH terminal, disconnect it before making these tests.

  1. Connect a ohmmeter between the TACH and BAT terminals in the distributor cap. The primary coil resistance should be less than 1 ohms.
  2. To check the coil secondary resistance, connect an ohmmeter between the rotor button and the BAT terminal. Note the reading. Connect the ohmmeter between the rotor button and the TACH terminal. Note the reading. The resistance in both cases should be between 6,000 and 30,000 ohms. Be sure to test between the rotor button and both the BAT and TACH terminals.
  3. Replace the coil only if the readings in Step 1 and Step 2 are infinite.

My 88 olds cutlass supreme FWD will not start. I - 6ac17ac.gif

Posted on Nov 13, 2009

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  • Master
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Next check is to see if you are getting signal to the injectors, a noid light words best, and they are not expensive

Posted on Nov 13, 2009

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