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2001 Chevrolet Silverado 1500 - Page 9 Questions & Answers
Rough idle when cold
Have a upper cylinder clean out performed usually bout 100 bucks will run like a champ
My 1988 chevy silverado turns over to long before
I have seen this kind of problem once. it cost 1800$ to ESSO you have to know that the flash point of fuel is different empty your fuel tank like usually and fill her up with new fuel at another gas station flash point is the temperature where the fuel will ignite without spark. the flash point in summer is low and in autumn or winter is high
Location of heater control valve
car has 4 engines and one diesel , post your engine.some (many) have no such thing.if doing DIY, go to alldata dot com and read. its all there.on most cars its a flap that covers the heater coil an the coolant runs full time. not saying yours is, as my 04 has a valve,its is a vacuum operated valve.here is the preamble in the above stated links.
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Drain the cooling system.
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Remove the access panel nut near the pollen filter.
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Remove the access panel.
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Remove the following components from the hot water flow control valve:
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The vacuum hose
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The remaining hose clamps
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The remaining hoses
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Remove the hot water flow control valve.
i see some 1500 have aux heaters, Im not sure about that.too lazy to read whole cooling section.
2001 Silverado 1500 5.3 ci driving on freeway at
ck fuel pressure with fuel pressure gauge at fuel rail,,there should be a black cap on fuel line or rail on top of motor,,or u mite have a spark issue ck that to,,coil,,modular,hoped it helped,,
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