Hey everyone,
On thursday night on the way to the meet i was following Life down the motorway. At one point we had to gun past a truck, as soon as i gave it some gas it shifted down, not cleanly i might add, and the check engine light came on. Once i turned the car off and on the light disappeared. Later that night i had realised my A/T button in the middle console stopped working. I never drive with it on and im not sure what this means...Im not sure if this is a linked complication but my transmission is flaring and double shifting ( 1st to 2nd, revs a bit and reshifts to 2nd then 3rd etc...)
Any help is much appreciated!

Thanks guys,
BR14AN

You don't know what the button does, but you know its not working? mmmmmm

The A/T power button does little, other than shift the full power/throttle shift points up.

Look at the TPS for problems with shifting. Probably why your check light came on too. It crapped out when you gunned it.

Yeah i know its not working because when i press the button the light doesnt come on anymore...haha
Thanks ill look into it!

Might mean that the globe has gone. Wouldn't worry about it, pretty useless function anyway.

What you are experiencing is transmission flare, often caused by a malfunctioning TPS.

Alright, well im putting the car in for a massive service in two weeks, going to get the oil replaced ( magna tick noise happening) transmission fluid flushed and now the TPS. Should run like a dream after! hopefully..

Have you check the A/T power swith with mulitmeter on ohms to see if the switch is working right.

Have a check for something simple like Fuses, too. We had a drama with a Power/Economy function in a 1st Gen, where a wire across the front of drivers seat (under the carpet) seemed to melt-out, luckily didn't really damage the insulation in the rest of the loom.

Somehow, fuses were not affected in our case... we ran a new wire and the power/economy function came back to life - watched it ever after and whatever caused the problem never recurred. (car is now wrecked).

I'd try simple (and cheap!) things like checking fuses, checking wiring connectors for corrosion etc. The member who suggested the TPS sounds on the money - I'd seriously consider looking for a wrecker part to swap-in..... otherwise your "big service" will be a severe wallet-raping if TPS is involved. IMHO.

all right thanks everyone! heaps of useful advice, the problem with the TPS is i dont know what im looking for at the wreckers..ill give the fuses a look over today aswell!
thanks again

Btw, my PWR light has been dead for years and just yesterday someone pulled out right in front of me and I slammed on the anchors, locked it up to a dead stop.. after driving off I noticed it suddenly started working.

The function has always worked but the light never did.. might be a bit hard given your transmission is playing up.. but basically if you floor it in PWR on versus off (down is on, up is off) you should feel different shift points rev-wise.

its the MAGNAPOWER button!
did you check to make sure that it isnt just the globes been dislodged out of the cluster?

if you cbf finding one at a wreckers send me your postal details and i'll send one out. i got like 20 of the things spare

Way to go, Paul. Huge respect for your offer. (Just sorry I didn't seek you out and see the TuffTR and Diamante on my recent Vic trip).

I collect ISC's and TPS's dont know why :kb: they come in handy sometimes. such as now lol.

Sa'll good once I get a job I might pop up to NSW and you folk for a day or two. Anyhoo, carry on

oh tufftr your my saviour!! thatd be great how much do i owe you?
gotta love amc!

Tufftr is like a knight in red shining armour or something like that. :)

Lol.... Life broke your car and he didn't even touch it!

Lol.... Life broke your car and he didn't even touch it!

Dean likes this :)

haha dean....

Lol.... Life broke your car and he didn't even touch it!

+1 I actually laughed!

I'm agreeing with TPS, power button will put 2nd gear shift point (flat) up, for my TR it was 5000 to 5500. does for other gears to I assume, but to peak out 3rd... your going too fast...

like I said, a pretty useless function! Who wants to rev a tired old Magna engine and gearbox that high? I never see more than 3,500 rpm in spirited driving, 2.500 in normal driving.

like I said, a pretty useless function! Who wants to rev a tired old Magna engine and gearbox that high? I never see more than 3,500 rpm in spirited driving, 2.500 in normal driving.

3000GT motor in the D loves revving out to 7000RPM :P Love the PWR button..

You have a manual, and your engine is not old and tired. Enough said!

Diamante engine dude, 250K on it and automatic :P the 3.5L only revs out to 6300RPM

;1221159']Diamante engine dude, 250K on it and automatic :P the 3.5L only revs out to 6300RPM

POOR FORM 3.5L xD

Enjoy your 4cyl automatic.:P

*sigh* you had to get personal

+1 support for the 4 cylinder autos.