Can a surburban have a rough idle on cold start?

Fry- I have an ’02 Surburban that has a rough idle on cold start. Typically, the temps have to be 40 degrees or below for this to occur. It never happens during the warm spring, summer and fall months.

Why does my 2002 Chev suburban vibrate when idle?

My 2002 Chev Suburban has a slight tremor or vibration when it is idle or at a red light. I have replaced the plugs, and added gas treatment, but it still vibrates. It noticed it right after a fillup with 87 octane gas, and wonder if it is a gasoline issue.It has 52k miles on it, and otherwise runs great.

When did my Chevy Suburban start stalling out?

We purchased it from a Chevy dealership back in 2002. It was a GM buy-back, for the same reasons it’s now having. NO DTC’s, NO CEL. Having a problem with stalling. It usually happens after backing out of parking areas when vehical returns to idle while shifting from reverse to drive.

What’s the idle timing on a Vortec 5.7L?

Much later, when I got back home, the idle timing was -24 degrees, but the driving timing was still usually -33. There were some times that it was mid-20s. When I step on the gas, from a setting of -33, timing changes, very rapidly and of short duration, to around -19 degrees. Then it goes back “up”.

What was the problem with my Chevy Suburban?

I Had same problem with the ac unit… on 95 degree day teh ac decided to get stuck on heating us to like 95 degrees. even turnign off the blower didn’t work it still blew hot air at us… we turned car off and went to have dinner, (in middle of nowhere), we got back in and was fine. THen a year later and this cycle repeats itself.

Why is my Chevy Suburban rough idle and stalling?

I ordered the part and when it came in I went to install it to find that the throttle body on my suburban did not have an IAC Valve on it (I have Pics). I climbed under the dash and put an adhesive spacer under the stop for the pedal and the problem is fixed for now. What is going with these vehicles? HELP!

How long does it take to fire a hard start Chevy?

Good Morning island auto, well your mention of that kind of pressure does sound a bit high, but the gauge you are using may have an error, generally even if the fuel did drain back to the tank it only takes a few seconds to be replenished and even if the system contains air, I would expect some firing to happen initially.

Is the 1998 K 1500 hard to start?

Not open for further replies. i am working on a 1998 k 1500 5.7 the truck is very hard to start but when it does it runs fine.. good power and will start fine afterwards,,the problem i am having is when it sits for 2 days then once again it is very hard to start…

When does a car have a rough idle?

November 27, 2017. It’s easy to tell when your car has a rough idle: When you start the engine, it won’t run at a steady rate. It may almost stall, or it may run at varying RPMs without your putting your foot on the gas, or it may do both.

Can a Chevy Suburban stall at any time?

Stalls can happen at any time, and it can be incredibly jarring when it does happen. Before troubleshooting any automotive issue, including stalling issues with the Suburban, make sure that you check the vehicles trouble codes with an OBD2 scanner.

Can a surburban have a rough idle on cold start?