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Forum: TPI
05-26-2020, 08:46 PM
Replies: 42
Views: 5,156
Posted By stamas27

Re: hard cold start, high idle - came up suddenly

Great, Glad its finally running like it should! When we keep plugging away at a problem, it's always great to hear that there is a solution. My 86 TA was getting 6-8 mpg. I had changed the XDF bin...
Forum: TPI
02-25-2020, 07:58 PM
Replies: 42
Views: 5,156
Posted By stamas27

Re: hard cold start, high idle - came up suddenly

I have 86 TPI using TunerPro RT. Wondering what is your IAC Startup Position. I set IAC Startup @ 25 steps and when cold its hard to start. I increased IAC steps to 45 and now it starts right up....
Forum: TPI
11-30-2019, 01:05 PM
Replies: 42
Views: 5,156
Posted By stamas27

Re: hard cold start, high idle - came up suddenly

Sorry, thought it was an 85. May I suggest a noid light check on each fuel injector bank. If the light is not energized while you crank, you'r not getting fuel for cold start.
Forum: TPI
11-29-2019, 12:43 PM
Replies: 42
Views: 5,156
Posted By stamas27

Re: hard cold start, high idle - came up suddenly

If you have a fuel pressure gauge, try doing a dump test on the cold start injector or check the ohms on the injector and voltage check on injector wires. I prefer a dump test and noid light test on...
Forum: TPI
11-07-2019, 10:00 AM
Replies: 42
Views: 5,156
Posted By stamas27

Re: hard cold start, high idle - came up suddenly

The procedure for checking the slack in the timing chain:
Remove distributor cap and spark plugs
Place extension and socket on the lower pulley center crank shaft bolt. ( I use a 1/2 inch breaker...
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