By Drew Bellucci
Anyone else experiencing a hard shift or hesitation of the engine when you first hit the gas. For example, I start the truck, reverse out of the driveway, put the car in drive and when I hit the gas, the truck goes toward and then i feel the truck completely stop for a second (hesitation) and then it continues forward, I only expierence this when I’m going from reverse to forward. I come to a complete stop and do not shift to drive when moving backwards still. 🧐
My first problem, and post with my 2014 silverado , regular cab, 75000 miles, 4.3L auto trans. Hope I explain this well. This just started abruptly today.
While coasting in drive, under 45 MPH, it feels like brake lightly/quickly applied, or converter lock up about every 2 seconds until stop. Very lightly, but feels harsher if brakes are applied lightly. Goes away when shifted
into neutral while coasting. Gut feeling is torque converter locking up for unkown reason. Ideas? Thanks, Kevin
Hey guys, I need some help.
Recently my only vehicle, an 03 2500hd 6.0 4x4 started to hesitate during start up. It bogs down as if it sounds like it is not getting any fuel when i step on the gas. Instead of revving up, it sounds as if it is choking on too much air, and no fuel. I changed the oil, filter, and air, and filled with gas from one of the two gas stations I always fill at. I have owned this truck most if its life, 11 yrs and 180k+ miles on her. When it started doing it the temperature outside was about 45-48 degrees, and I was coming off a graveyard shift. At the same time, it was choking and struggling to stay running, the computer (dash gauges and info center) also started freaking out and throwing messages “change engine oil” and “oil life reset” and “loss of engine power”. Once it quit, the distance to empty now was not reading the same as it was when i shut it off at midnight. In fact about 70 miles less, and the gauge still said full. Once it was “stable” to drive home, on one of the hills i was climbing, clearly the motor was loosing power, tranny wasnt downshifting, and loosing speed quickly, and some hesitation. However at the top of the hill, it ran just fine.
Fast forward a day, started fine, ran fine. Next day, changed some bushings on the lift, drove into town just fine. When I left the store, started just fine, backed out and started to to proceed to the exit, and it started hesitating again. Cleared up after about 10 seconds, then on my merry way again. Got to the house, luckily, and it started the whole cycle over again. Throttle response was all but gone, sounded as if it was bogging or flooding the motor with air, but under idle struggling to stay at running, and choking, rpms are below 500 when it does it. Once I get the motor to stabilize with the feathering if the throttle, i can put my foot into it and it revs just fine. Computer still shows 187 mi to empty, when it was 265.
The things I have done to this truck since I have owned it are, new (used) transfer case, new front end ( multiple times) , new (reman) dash gauge cluster, change plugs, water pump, k and n, batteries, window regulators, new climate control unit.
I hope you guys can help, before having to ATTEMPT to take it anywhere.
Recently my 2006 Silverado 5.3 litre has been having some rough idle issues. The issues are intermittent, but most of the time the truck doesn't start idling rough until it is to operating temperature. Also, my truck has a slight hesitation from take off, never throwing a check engine light though. Recently I changed all the plugs with Ac Delco iridiums and put new wires on the truck as well. The MAF sensor has been cleaned along with the throttle body (the throttle body was barely dirty). After going through what I thought would fix the problem, I thought I would try some Techron in it, so I ran the tank down to about empty and threw some in and filled it up. The truck ran absolutely amazing with the Techron in the tank, smoothed right out, the rough idle and hesitation were gone. After I went through the tank filled with Techron and filled up with another tank of gas, the rough idle and hesitation came back... Does anyone have any ideas what could cause this, or has anyone had this happen to them? And by the way, the truck only has 66,000 miles on it...
Not to be to cliche...but Help please.
So here is the full run down. About a year ago my Yukon started what i can only call a severe hesitation, it got so bad that i took it to the dealership. They had it for a month and a half and claimed to have replaced everything but the computer with "known good" parts. I was unwilling to spend 2000 on a computer and reprogram that may not be the problem.
This year it got so bad i bought a computer from LKQ and had it programmed by the dealer. It seemed better but never went completely away. I have since replaced the throttle position sensor, Maf Sensor, Cleaned the K&N filter and completely cleaned the throttle body, all of which the dealership claimed to have already swapped, but I just couldnt believe that once all that was done it didnt fix it. I considered trading her in, but just cant part with her. She has no codes and idles fine, its just when I press the pedal it feels like its just bogging down.
It is odd to me that when I replaced the computer, and cleaned the maf it got so much better. I am desperate. My hope is one of you is that guy who knows everything and know exactly what it is. I have read every forum i could find and just cant find anything that matches my symptoms exactly.
Thank you in advance
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