Trying to find a manufacturer that makes a programer to access a GM / Ford automotive on-board computers to adjust idle, Timing events, etc.....

Anyone know of any that will permit this type of access and data manipulation?

I have a Scanner/Code Reader. I'm looking for something that can do more than that and.....if possible not break the bank.

My cars range from 1994 (OBDI) to 1999 (OBDII).

Obd 1 there is no way to do this as those pcms really were not programmable in the field. Certain companies make programs for some cars/trucks/engines that will allow fuel trim/timing/governor/speedo upgrades.

Maxwedge,

Thanks for the OBD1 info.
I guess now the question is WHO sells these?
I've seem them for tinkering with Camaros, Firebirds, Vets and trucks but not
for something like a 99 Park Ave. I'm not looking for the HP / performance angle, but rather to increase the fuel economy.

Any ideas????

jlm1

For a '99 PA checkout HP Tuners. See link.


Click here (http://www.hptuners.com/products/vcmsuite_vehicles.php)