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Hesitation When Making A Hard Right Turn.


turbomoose

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Ok, so this has been going on for a month. If I make a right turn, from a stop, or rolling stop, then FLOOR it, my car hesitates, bucks.

At first I thought it was the TRACS cutting the fuel or engine power because I was losing traction. But today I had the TRACS OFF, and it does it.

Here's the conditions:

ALWAYS on a right turn under heavy acceleration (80-100%)

I have steady full boost, but no movement.

My RPMS go up to about 2.5K, and hold steady, but there's a jerky, no power feel.

Does it in both Econ and Sport modes. Tracs on or off.

I'm using 93 octane, mobil 1 10w-30,

Replaced the cap&rotor, temp sender, it has Volvo spark plugs, new volvo fuel & air filters, complete new PCV system done 15K ago.

I"m not sure if it does it only when I have a full tank. But I have a full tank now, and I noticed it when I was leaving the gas station last time I filled up.

What else is there to check??

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RuhOH. :o

So I wanted to try making a right turn with the transmission only in 1st gear. I thought the tranny may be hunting for a gear, causing the hesitation. So I read the owners manual and it says engage Winter, then shift into L to hold 1st gear.

So I started my car. Engaged Winter mode. Reversed out of my garage. Put the car in L to hold 1st gear, the Arrow of death started flashing and the CEL came on. I crapped my shorts, de-engaged winter, shifted into Drive, and pulled back into my garage. I've disconnected the battery and removed the ECM and TCM. I've rowed the shifter between P and L several times, I've never done this before. And I dont think I've ever shifted into L before either. I think I just somehow ruined my tranny. Whoops.

What do I do now?? Call a tow truck or a wrecker??

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I had a Gear Range code. PNP switch.

The guy got the CEL to go off, and oddly, I can not reproduce the hesitation.

I'm thinking MAYBE my PNP was dirty, and when I'd make a hard right, the engine/transmission would move around enough to disturb the contacts in the PNP switch, causing a hesitation within the tranny.

SO now all's well, I have no lights on, and it doesn't burp anymore!

Thanks for reading along kids. :D

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