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#1
12-12-2007, 06:16 PM
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Stalling during traffic stops
Silverado 1500 intermittantly stalls when coming to a stop. The Service Engine light is not registering - mechanic said no codes are being recorded either. Starts up right away. Stalls seem to occur with hard stops. Fuel pump and filter were replaced recently. Any thoughts?
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#2
12-12-2007, 10:55 PM
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Re: Stalling during traffic stops
Check fuel pressure. Also check battery & altenator voltages, and check battery connection/terminals for any corrosion.
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2002 1500 Ext. Cab 4.8L 2wd. K&N FIPK, Cat Back Exhaust, Rancho RSX Shocks, Silverstar Headlights High & Low, Infinity Reference Door Speakers & 10" Dual Voice Coil Sub. 265/75/16 BFG AT/KO's, Spray-In Bed Liner, Hella FF75 Fog Lights, Hella FF75 Driving Lights.
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#3
12-12-2007, 11:20 PM
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Re: Stalling during traffic stops
I have an 02 8.1 that was stalling or going down the road and the engine quit momentarily, probably not a problem on your engine but I changed out my crank sensor and it runs fine now, I did have 80K miles on mine also.
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2002 Silverado 3500 extended cab 4x4 dually 8.1 (496cid) Vortec, Allison 5spd w/OD All front lights, fog lamps converted to 5000K HID, all running lights chip LED Modded from LED sign double row red LED sequential T/S, running and brake lights mounted below tailgate. New side and rear modded emblems for visual effects. Escalade instrument cluster and auto dim LED outside mirrors. Front and rear concealed amber Tomar strobe system Modified for Alaska extremes
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#6
12-13-2007, 09:22 PM
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Re: Stalling during traffic stops
I couldn't say about the injectors, but my first thought was that a throttle body cleaning may help clear it up if it is stumbling at idle.
It is somewhat common for the 5.3L to need it every now and again and costs about $100 at the dealership. Probably worth a shot as a first step. You could probably do it yourself, others could probably advise on the specifics.
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#7
12-15-2007, 09:19 AM
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Re: Stalling during traffic stops
listen to rjeffery, sounds like fuel problem, if it was electrical it would throw a ses light. even an injector will throw a code. fuel pumps are common on these trucks, first symptoms are exactly as you are having then slowly gets worse and eventually dies. check fuel pressure and it's probably low. gm fuel pumps are the only way to go...cost more but much better lasting and easier to install.
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