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will it store codes??

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Old Mar 25, 2007 | 06:42 PM
  #1  
jsmallwood_2000's Avatar
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will it store codes??

I am being told that my 2003 expy will not have stored codes unless the check engine light is on. It keeps hesitating on acceleration, and I do not have any lights on yet. Will it show something?

Thanks
 
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Old Mar 26, 2007 | 01:16 AM
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My '03 will store codes without the check engine light coming on. I keep getting P0305 and P0316. I will clear them and in a few days or weeks they will return.

I just wish I could clear the engine miss as easy as I can clear the codes.
 
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Old Jan 14, 2008 | 08:11 PM
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change the number 5 cyl your codes will stop . just rember to clear codes after new coil and plug
 
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Old Jan 14, 2008 | 10:09 PM
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New coil, plug, and injector in #5, still will miss occasionally upon cold start on #5.
 
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Old Jan 15, 2008 | 04:44 AM
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Originally Posted by yardbird
New coil, plug, and injector in #5, still will miss occasionally upon cold start on #5.
My expy did that too. The main harness going to the firewall had moisture that would build up because the seal failed.
 
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Old Jan 15, 2008 | 11:16 PM
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I'll check that harness. I also loose my fuel pressure within a few minutes after I shut it off, so that may contribute to the problem. I have to cycle my switch at least three times to get it to start. I haven't checked to see if it is a bad injector or the fuel pump leaking back.

I don't drive it much anymore. It has been sitting for a month without leaving the yard. I did move it once.

I was using the Expy to pull my car trailer, but I bought a (don't flame me) Dodge 2500 pickup with the V-10 to pull with now. Much, much more power, same gas mileage.

It's a fairly low mileage '94, and being a dealer I got it so cheap I can't bear to wear out my Expy doing the grunt work.
 
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