When does a Chevy Silverado pickup start cold?

MY SILVERADO PICKUP STARTS GREAT WHEN COLD BUT WILL NOT START WITH OUT CRANKING FOR PROBABLY AROUND 6 SECONDS. SOMETIMES MORE AND SOMETIMES LESS. IT WILL START BACK UP EASILY RIGHT AFTER YOU SHUT IT OFF BUT ABOUT 5 MINUTES LATER IT WILL NOT START VERY WELL. MY CRUISE QUIT ALSO, DON’T KNOW IF IT HAS ANYTHING TO DO WITH IT.

Why is my Chevy Silverado hard to start?

Less common are broken starter gears or broken gear teeth on the flywheel resulting in the starter being unable to contact the flywheel. An engine that’s hard to start when it is cold is caused by the engine either producing a weak spark or not providing enough fuel to the cylinders.

What should I do if my 2000 Chevy Silverado dies?

2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser 2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser – Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.

What does cold start / rough idle mean on a Chevy?

I’ve noticed since it’s been cold here (high 20’s F), the cold starts are rough and I threw lean codes for both banks. I checked the fuel trims and found them both around 1.28, which means the O2 are having to add significant amount of fuel, and I think the code sets because it can’t added enough (LTMs have grown to the limit).

What makes a Chevy Silverado hard start when hot?

When hot it won’t start til it cranks long enough to get 30 lbs. of pressure or so. When cold it gets to that pressure right away and starts. I bypassed the oil pressure sending unit with a push button. When the button is pushed, the sending unit is bypassed.

Why does my AC blow cold then hot then cold again?

All of a sudden the asri coming out of the vents went cold again – it seems like when you hit a bump in the road. When I got home it was still blowing cold air – I put a guage on the suction side and it measured 50 psi which should be normal since I am in Texas and the ambient temp is near 100 degrees.

How many miles does a 1999 Chevy Silverado have?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I have a 1999 Chevy Ext Cab Silverado PU, with the 5.3L. It’s approaching 118,000 miles and has always been well maintained.

Why does my Chevy Silverado 1500 start cold?

Starts fine cold because its in open loop and using extra fuel to run but once its in closed loop with the idle air control reset there just isn’t enough fuel to start right away. One way there is too much air and the other would be not enough fuel.

How does temperature control work on a Chevy Silverado?

The temperature control has no effect controlling temperature. Sometimes its hot and sometimes its cold. The temperature cannot be set it has a mind of its own. Very frustrating to be in a vehicle that has no heat when its cold and the A/C pumps out hot air when it hot. Sometimes you can hit it lucky to where your A/C works when you want it to.

Is there a problem with my Chevy Silverado?

Will turn key and it is like no power from battery to starter, but have lights, radio, etc. Turn key again or sometimes multiple times, to no avail. Then, turn it one more time and it starts. Then the next 15 starts, no problem. Sometimes hot engine, sometimes cold. UPDATE: 2-6-14; I sold the truck to my father. He changed the starter.

What’s the best time to start a Chevy Silverado?

What happens when the engine warms up in a Silverado?

After about 10-15 minutes of driving when engine warms up, engine bogs down, idles rough, and dies when throttle is applied. I ran the codes, had low voltage x4 oxygen sensors, and random misfires. I replaced the 02 sensors because I am well over 100k miles.

Why does my Chevy Silverado 1500 not start?

SOMETIMES MORE AND SOMETIMES LESS. IT WILL START BACK UP EASILY RIGHT AFTER YOU SHUT IT OFF BUT ABOUT 5 MINUTES LATER IT WILL NOT START VERY WELL. MY CRUISE QUIT ALSO, DON’T KNOW IF IT HAS ANYTHING TO DO WITH IT. I HAVE CHECKED ALL FUSES, REPLACED FUEL PUMP AND FILTER.

What kind of car runs rough when engine is warm?

Runs Rough When Engine Is Warm: I Have a 99 Silverado, 5.3 Liter I have a 99 silverado, 5.3 liter 4×4 137k miles. Runs great when engine is cold. After about 10-15 minutes of driving when engine warms up, engine bogs down, idles rough, and dies when throttle is applied. I ran the codes, had low voltage x4 oxygen sensors, and random misfires.

What causes a Chevy Silverado 1500 to hard start?

As it warms up the idle air control adjusts to this vacuum leak and when the key is off the idle air control resets itself causing a hard start up due to the vacuum leak not being compensated for. Just a possibility 16 people found this helpful. K6, see what I mean by listen to John?

How does auto stop start on Chevy Silverado work?

The system then automatically starts the engine back up as soon as it detects that the driver has lifted their foot off the brake pedal. Engine auto stop-start feature has occasionally been criticized by owners of vehicles with the feature.

Why is my GMC Sierra 1500 stalling and dying?

There is no code given. Have changed the injectors, timing, fuel tank, fuel pump, fuel pump, map sensor, cooling temp sensor on front of block, rebuilt the tbi, air idea valve. None of this hasite helped. The truck starts and dies. Have to give a little gas to keep running. While driving have to 2 foot it so it won’t die.

How to check fuel pressure in a GMC Sierra 1500?

You will have to check the fuel pressure at the rail, the test port is ontop driverside about 3/4 the way back. Black cap on aluminum fuel line. The best thing would be to buy or rent a fuel pressure test gauge as it would thread onto this port. If not I’ve used good safety glasses a rag and a screwdriver to check for pressure.

What kind of truck won’t start when it gets cold?

The last cold spell I plugged it in and I could get it started but no luck this time. Any input would be great. 97 5.7 vortech chevy pickup 4×4. Thanks

Why does my GMC Sierra stall at 30 mph?

Never threw a service engine light or a code and would readily re start. 2 weeks ago it quit at 30 mph, wouldn’t restart and SES lit up. Code indicated crank positioning sensor. Had it replaced and so far so good. If yours behaves as mine did it could be a while before you get a traceable code. I own a 1998 GM Sierra 5.7L 2wd automatic.

What was the problem with my GMC Sierra?

August 2007, Brought truck into dealership and they figured it was a weak fuel pump and was replaced, September 2007 stalling of engine continued. NOV. 2007 dealership replaced ignition harness, and stalling continued. Dec. 2007 I replaced the battery and did a thourough cleaning of the battery terminals.