Cadillac Repair: not staying started, fuel pump relay, dash lights

Question
My 2003 CTS is very hesitant at start and now does not start initially until after sitting for 5-10 minutes it has now started to cut off at stop lights what is the problem?

Answer
It could be either:

fuel pump problem or no spark to the spark plugs.

Next time this fault occurs check to see if your getting spark to the spark plugs and you can also perform this teat.

Fuel pump test:

1. Get yourself a helper.

2. remove the gas cap.

3. have one person listen in the gas tank at the gas cap opening.

4. have the other person turn the ignition switch to the ON position ONLY so as the dash lights come on. Do NOT attempt to start the engine.

5. As soon as the ignition key is turned to the ON position, The person at the gas tank should hear the fuel pump run for TWO SECONDS and then it should STOP.

6. Does it ?.


If you do NOT hear it run, in most cases the fault is the fuel pump relay or the fuel pump..



let me know.


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