Okay, it's a 92 Suburban 3/4ton, the engine is a rebuilt 454 with under 8000 miles. It runs great except for one thing, when I'm at a stoplight, sometimes, maybe 1 out of 5 times, the idle will drop down and the oil pressure drops a bit, which I'm assuming is because of the low engine speed? Anyway to avoid the problem, I just shift into neutral and keep it revved so it doesn't die. Anybody have any idea what could be causing this?
And the transmission, I have to drive around town in OD, is this alright? When it's in drive, it acts like it doesn't wanna shift into 3rd, it'll rev really high but then won't shift. So, again, to avoid the problem I just shift into OD instead of D. The transmission is a 4L80e and it's got less than 10,000 miles on the rebuild.
It's got a Hypertech chip in it, and I'm wondering if that could be the source of my problems? Any help would be much appreciated.
And the transmission, I have to drive around town in OD, is this alright? When it's in drive, it acts like it doesn't wanna shift into 3rd, it'll rev really high but then won't shift. So, again, to avoid the problem I just shift into OD instead of D. The transmission is a 4L80e and it's got less than 10,000 miles on the rebuild.
It's got a Hypertech chip in it, and I'm wondering if that could be the source of my problems? Any help would be much appreciated.
