I did some experiment.
I make it sure the MDS is disabled by turning ON the Tow/Haul Switch right after ignition start or during reverse and turn on the manual trans during cruising. No code.
If I let the MDS ON, code appear.
Now I am thinking that the MDS "sensor" detect the "wrong oil".
I'm...
I got the Redline 5w30 last week and I just put them this morning for my 2012 1500 5.7 with 151000 miles.
I drive for almost 150 miles daily along interstate ( I-10/North Florida ).
What makes me change to Redline is I heard a tick but I found out it's a broken exhaust manifold heatshield bolt...
Yeah could be the plugs. Happened before but different situation. This time seems different because no shudder during idle.
Plugs will arrive tomorrow. I'll post the update after replacing them.
Truck is 2012 1500 5.7L.
Shudder at 2000rpm, but not before and after that rpm. No shudder when flooring the gas during idle. No code. Mileage is 147,890. Transmission Fluid is newly replaced. Spark plug is due this weekend.
So while driving especially passing other car or uphill, I just...
Thanks.
After replacing the plug, The code is not coming back but flooring the gas at 2000rpm(5th or 6th gear) especially going uphill at interstate is causing an insane vibration of engine. The auto downshifting of gear is delayed. No problem using manual.
Could be the injector or the coil...
Sound like a short "tsug" when turning the keyfob to start position(not staying at run position for 5 sec). I've been doing this since day 1. Though the Remote Start delayed time I think 3 seconds.
After that issue, the engine start only by putting first the keyfob in run position for 5...
That's what I'm thinking too because the issue seems gone if I'm not using the Remote Start. Put the keyfob to RUN position, wait for 5 seconds before turning ON the engine.
Could be somewhere in the fuel system loosing some pressure to hold the fuel prime.
Could be the Tank Filler Cap Rubber...
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