Question about 2003 Dodge Caravan

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Engine light came on

If I turn ignition on/off several times the code P 1684 comes up. Please tell me what that means.  Seems to run OK otherwise.   Thanks for help.   Gene

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Ok... the p1684 means that your battery has been disconnect within the last 50 starts.

Posted on Jun 19, 2008


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I have a 2001 dodge intrepid it dies when driving starts back up I got the codes 1684 and 1489? can someone please tell me why it wont stay running?

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What does check engine code P-0455 and P-1684 mean?

P1684 - Battery Disconnected Within Last 50 Starts

P0455 - Evaporative Emission Control System Leak Detected (no purge flow or large leak)
This indicates a fuel vapor leak or lack of purge flow in the EVAP control system. It means a large leak has been detected. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

Symptoms: You likely won't notice any drivability problems.

Causes: A code p0455 most likely means one or more of the following has happened:
A loose or improperly affixed gas cap
A non-conforming gas cap (i.e. not factory/original brand)
Other leak or damaged piece in EVAP system

Possible Solutions: With a p0455, the most common repair is to:
Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
Otherwise, replace the gas cap, and/or
Inspect the EVAP system for cuts/holes in tubes/hoses (you may hear a vacuum noise or smell fuel), repair if necessary

Test and check it. Hope this helps.

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302 is misfire on cylinder 2. Please see my tip at .
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1998 intrepid check engine light

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from what i have researched the 1684 is a common code that these vehicles give out..i even got one when i checked mine and i had never disconnected the battery i wouldn't pay to much attention to that the other code is a different story

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