Re: Hard Start only when warm H2 2003
Could be a bad ect sensor. If its reading -40c(default temp) and your starting it warm the pcm will see that its cold and demand more fuel causing a hard start. Get them to check scan data and look for abnormal sensor readings.
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1987 Jeep YJ 403hp sbc 653hp on NOS
1998 Chev Z71
2007 Chev Trailblazer SS
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