engine just stops - Car Troubleshooting


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Auto Repair Home>> Automotive Repair>> Car Troubleshooting

tandum022
Anonymous Poster
thopper1@sympatico.ca

May 16, 2009, 9:16 AM

Post #1 of 3 (2511 views)

engine just stops	Sign In

Hi I have a pontiac sunfire (2000) you are driving along and it just quits and will not restart for fifteen to twenty minutes it has a new fuel filter onit don't know what to try next can you help.
Ted

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 16, 2009, 9:18 AM

Post #2 of 3 (2509 views)

Re: engine just stops	Sign In

All "crank, no start" conditions are approached in the same way. Every engine requires certain functions to be able to run. Some of these functions rely on specific components to work and some components are part of more than one function so it is important to see the whole picture to be able to conclude anything about what may have failed. Also, these functions can ONLY be test during the failure. Any other time and they will simply test good because the problem isn't present at the moment.
If you approach this in any other way, you are merely guessing and that only serves to replace unnecessary parts and wastes money.

Every engine requires spark, fuel and compression to run. That's what we have to look for.

These are the basics that need to be tested and will give us the info required to isolate a cause.

1) Test for spark at the plug end of the wire using a spark tester. If none found, check for power supply on the + terminal of the coil with the key on.

2) Test for injecter pulse using a small bulb called a noid light. If none found, check for power supply at one side of the injecter with the key on.

3) Use a fuel pressure gauge to test for correct fuel pressure, also noticing if the pressure holds when key is shut off.

Once you have determined which of these functions has dropped out,
you will know which system is having the problem.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

dragtime92
User

May 18, 2009, 6:03 AM

Post #3 of 3 (2495 views)

Re: engine just stops	Sign In

We had a 96 dodge stratus it did the same thing not say its it tho but when it got warm hot normal operating temp it died all u could do is wait a whicle for it to cool and start it again but our issue was the crankshaft sensor ??? dont o if it helps but i tried

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