Idle problem
- Thread starter miser143
- Start date
DadLife0724
Advanced Member
Also I smoked test it did not see nothing checked fuel pressure was at close to 40 psi .I disconnected the egr from the throttle body but still connected. But i but a plate on the thrutle. I have no ac .no smog pump connection. Maybe I have to replace the 02 sensor I have no cats all straight pipe. Underload it turn off sometimes.
You check for codes?
You're already throw'n parts at it, this is a common complaint and the diagnostic procedure in here:
www.stangnet.com
Do what the directions say, don't jump around just because you installed new parts, they could be bad outta da box.
Best I can do cause we don't know what's been done or aftermarket parts.
You're already throw'n parts at it, this is a common complaint and the diagnostic procedure in here:
Cranks OK, but No Start Checklist for Fuel Injected Mustangs
Cranks OK, but No Start Checklist for Fuel Injected 5.0 Mustangs model years 1986-1995 A word about this checklist before you start: it is arranged in a specific order to put the most likely failure items first. That will save you time, energy and money. Start at the top of the list and work...
www.stangnet.com
Best I can do cause we don't know what's been done or aftermarket parts.
CAMTWO1070
Active Member
Sounds like a bad or failing ACT and ECT sensor.....New means nothing if its faulty or not calibrated right.
Theyre easy to test using a digital voltage meter and a thermometer to read coolant temps to coinside with voltage.
The other thing that affects startup is the BAP sensor , EGR sensor and the MAF flow....
Another possibility is needing your ECU rebuilt....I use ECU Exchange.
Good Luck
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