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Posted on Jan 02, 2017
SOURCE: bogs down at high acceleration
Sounds like a plugged catylic convertor, GM has a Special Policy adjustment that covers the catylic convertors for 10 years or 120,000 miles (190,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. This is for 2001-2002 models with 3.4L or 3.8L engines. If you have a 3.8L engine you want to get this fixed soon, I have seen people drive these things so long with the convertor plugged that they melt a hole in the plastic intake plenum where the EGR port comes into the intake behind the throttle body.
Posted on Nov 18, 2008
Could be several different problems things causing this,Disconnect map sensor and try pushing on gas if map is bad problem will be gone or different,you could also have TPS sensor,Distributor problem,or fuel volume problem,Are there any codes set?
Posted on Oct 31, 2009
Testimonial: "p0101 code was stored,maf,cleared it,runs the same,no codes coming back.unpluged map,idles,cuts right out when you gas it. "
This sounds like a classic fuel system problem. Manually check your 1 & 3 plugs to prove /disprove the code. If they're OK, which I'll bet they are, check the fuel pump. If it tests good then you have a fouled gas tank, I'll bet. Especially if you live in the Northwest. If you let it sit with low fuel, the extra air space lets condensation form, causing rust and moisture in your gas. Usually changing the fuel filter will give you some temporory improvement if this is the problem. If it didn't then it could be your air intake not delivering enough flow to give it the proper fuel/air ratio. When's the last time you changed the air filter?
Posted on Nov 17, 2009
Testimonial: "Helped me rule out the fuel system."
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