runs rough
01-28-2009, 10:16 AM
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yes. p1688.p1689,p0251,p0252,p0253,p0121.p1689-no com.between ecm and injection pump.mod. Could ecm be bad or is the injection pump at fault. Other codes refer to pump. p0121 refers to apps. voltage with map
01-28-2009, 06:50 PM
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read this first:
http://www.bluechipdiesel.com/vp44diagnostichelp.html
According to the link I posted your truck should not even run...so My suggestion is to clear the codes run truck again to see what codes re-appear, you could have a bunch of past history codes showing.
If you need a TPS/APPS do a search for "Timbo " he as a cheaper version that is a direct replacement for 160$ vs the 400+ you will pay anywhere else
I'd bet your going to need a VP
http://www.bluechipdiesel.com/vp44diagnostichelp.html
According to the link I posted your truck should not even run...so My suggestion is to clear the codes run truck again to see what codes re-appear, you could have a bunch of past history codes showing.
If you need a TPS/APPS do a search for "Timbo " he as a cheaper version that is a direct replacement for 160$ vs the 400+ you will pay anywhere else
I'd bet your going to need a VP
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