95 g_m_c sierra - The 1947 - Present Chevrolet & GMC Truck Message Board Network

WOLFMANmike · 02-13-2015, 03:50 PM

my buddy just bought a 95 g_m_c sierra and g_m_c sierra and it has the Slight stumble And hesitation when first excelerateing we have changed the EGR solenoid and a new EGR and it still drives The same way . now if we block The EGR It runs great but throws a ecu code / check engine light .. also with a connected it will surge at a cruise speed on the freeway ... but plug off the egr and it runs great ... what is this ? we will need to pass smog soon And wont with this issue

02-13-2015, 03:50 PM	#1
WOLFMANmike Registered User Join Date: Sep 2012 Location: oceanside CA Posts: 706	95 g_m_c sierra my buddy just bought a 95 g_m_c sierra and g_m_c sierra and it has the Slight stumble And hesitation when first excelerateing we have changed the EGR solenoid and a new EGR and it still drives The same way . now if we block The EGR It runs great but throws a ecu code / check engine light .. also with a connected it will surge at a cruise speed on the freeway ... but plug off the egr and it runs great ... what is this ? we will need to pass smog soon And wont with this issue



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