After replacing O2 senor & TPS
#3
as close as I could---could not get all test to fall in spec
test one VTA-E2 400 ohms
test two IDL-E2 15 ohms
test three IDL-E2 open
test four VTA-E2 3000 OHMS
#4
Registered User
iTrader: (-1)
Those values are probably close enough, but it could probably take another few tenths of a degree. eg it'll run a little lean but nothing the computer can't handle.
It'll also take awhile for it to self tune after resetting the computer. You need to reset the computer(pull the EFI fuse) to clear the stored codes. Don't forget to retrieve any stored codes before you reset.
Check idle and ignition timing, it's not exactly needed but can't hurt.
It'll also take awhile for it to self tune after resetting the computer. You need to reset the computer(pull the EFI fuse) to clear the stored codes. Don't forget to retrieve any stored codes before you reset.
After replacing O2 senor & TPS
#5
Those values are probably close enough, but it could probably take another few tenths of a degree. eg it'll run a little lean but nothing the computer can't handle.
It'll also take awhile for it to self tune after resetting the computer. You need to reset the computer(pull the EFI fuse) to clear the stored codes. Don't forget to retrieve any stored codes before you reset.
Check idle and ignition timing, it's not exactly needed but can't hurt.
It'll also take awhile for it to self tune after resetting the computer. You need to reset the computer(pull the EFI fuse) to clear the stored codes. Don't forget to retrieve any stored codes before you reset.
Check idle and ignition timing, it's not exactly needed but can't hurt.
Truck starts and runs fine but wants to die at idle when in gear. I set the throttle stop a quarter turn as described in FSM. If I screw in the stop a 1/2 or 3/4 turn the truck will stay running at idle. Can it be turned in more than a 1/4 turn or do I have another problem??
#6
Registered User
iTrader: (-1)
Check& set the idle and timing, you pretty much never need to adjust the throttle stop. Adjusting the stop screw opens the plate, you don't want the plate opened at idle. adjust the idle with the idle screw,(Big flat bladed screw on the top front of the throttle body)
for picture if you need one.
for picture if you need one.
#7
adjusted idle up 75rpm to 750. I checked the timing and it was set at 5 degrees already. After a test drive truck doesn't seem to die as much, but while sitting at a stop light in gear sometimes it will. It is still pretty cold here in Iowa, could that have an affect?
Thanks for all your help.
Thanks for all your help.
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#9
[quote=BamaYota1;52051312]When you had the tb off, did you clean the iacv?[/quote
on the bottom throttle body??
If so I probally gave it a squirt of carb cleaner when I cleaned the TB
on the bottom throttle body??
If so I probally gave it a squirt of carb cleaner when I cleaned the TB
#10
Registered User
iTrader: (-1)
adjusted idle up 75rpm to 750. I checked the timing and it was set at 5 degrees already. After a test drive truck doesn't seem to die as much, but while sitting at a stop light in gear sometimes it will. It is still pretty cold here in Iowa, could that have an affect?
Thanks for all your help.
Thanks for all your help.
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