1999 Chevrolet Silverado 1500 "rough starts 5 running" Questions

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Question about Chevrolet Silverado 1500

1 Answer

...rough and acts like the choke is stuck. it runs smoothly for the first first 5 or 10 minutes and then starts to sputter until it is completely warm and then it runs fine give a good tune up. if it ...

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Question about Chevrolet Silverado 1500

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...Rough Idling. Losing power going up hills. Engine light flickered one day. I brought it to dealer. They said cyl 5 had a fouled spark plug. They replaced it, retuned and cleared code. Drove great for ...

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Question about Chevrolet Silverado 1500

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...starts great after it sits overnight, but after it runs awhile it will crank over for 5-10 seconds before starting. It also idles low and a bit rough. Otherwise it goes good on the highway, but ...

Question about Chevrolet Silverado 1500

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starts, it idles rough briefly, and then runs good. I took it to a local Mechanic shop and they said it has expected pressure, but the flow was down. They suggested replacing the fuel pump. Could this

Question about Chevrolet Silverado 1500

1 Answer

...rough. a few time it started and ran good for like 5 seconds or so then dies. The pump almost sound different, maybe a little louder and higher pitch. Is it possible that i is not working right and ...

Question about Chevrolet Silverado 1500

1 Answer

starts but stalls when put in gear Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they ...

...rough when in gear, runs fine on highway. 1. Idle Air valve is ok 2. MAF reads 5.5 to 6 grams on scanner when idling - OK according book spec's, rapid increase when accelerating. 3. MAP Sensor reads ...

Question about Chevrolet Silverado 1500

4 Answers

...rough idle sometimes right when I started it, but usually after 5 minutes when the fuel system went in to closed loop mode (about 200 RPM swings at idle that slowly went away). Days below 10 degrees ...

Question about Chevrolet Silverado 1500

2 Answers

...5 during hot summertime. Running rough but everything checked out - mechanic found distributor cap was loose - part of plastic broken off. He replaced cap and rotor - ran fine. Then 30 miles down the ...

Question about Chevrolet Silverado 1500

1 Answer

5 and 7 misfiring Had same problem with my 2002 Silverado. Took 2 month to find problem. Wires at wiring clip on valve covers that control each coil were taped to tight and the wires are so small they

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