Timing chain or modules?
20

Asked by Amy Jul 10, 2016 at 09:11 PM about the 2004 Chevrolet Cavalier

Question type: Maintenance & Repair

I just had a new fuel pump put on my 2004
Chevy Cavalier and it still won't start. One
mechanic said I needed a new timing belt
and another said new modules which one is
right?

6 Answers
42,415

Auto_Centric answered 8 years ago

Wow, those guys need to meet each other! what are the DTC codes?

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70,925

Kelly answered 8 years ago

a defective chain tensioner/ chain...and they know this...think how much it would cost gm to recall this..

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20

Amy answered 8 years ago

What is a DTC code? A defective chain? What do you mean?

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20

Amy answered 8 years ago

When I first turned it over all the lights on the dashboard came on and then when I tried to start it and turn it back on again the check engine light and a couple others were all and I'm not sure exactly.

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103,205

KenF answered 8 years ago

If your timing chain is slack or off, your on-board diagnostics (OBD) will store a trouble code, or codes (what the others are referring to as Diagnostic Trouble Codes, or DTCs). Your mechanics should have read these as part of their troubleshooting. You can also have these read for free at any auto parts store. Do this and post the codes for us and we may be able to offer suggestions on how to repair or deal with mechanics.

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365

Low2Rider answered 8 years ago

Amy, DTC stands for Diagnostic Trouble Code. The codes will tell you if you have bad modules. Since the timing belt is mechanical the DTC codes may not indicate a belt issue. Go with the mechanic has the best references/reputation.

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