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Just replace fuel pump on 1994 Bonneville 3.8L car won't start its getting fire plus the right fuel pressure all fuses are good what else can i try?
Wiki User
∙ 15y ago
ALWAYS, ALWAYS, ALWAYS run diagnostics before you replace parts. First, connect an on-board diagnostic scanner that works with your vehicle. In your case it will be a GM code scanner as opposed to the newer OBD2 that is in use on newer vehicles.
Look for anything that might be a potential problem. The computer can detect quite a few problems and do a lot of the diagnostic work for you.
Next, assuming everything checked out OK, run a compression test and compare the results to the expected results for your vehicle. While you're doing that, examine each spark plug as you pull them out, looking for oil or fuel fouled (wet) or physical damage that might be caused by a damaged valve or piston.
If the compression tests out OK and the plugs don't look damaged, try using a little starting fluid to see if you can get the engine to fire briefly
Wiki User
∙ 15y ago
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