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J
High Idle - Rich Exhaust
Hey Schurkey - Thanks for chiming in. You had a couple of great inquires. 1st thanks for keeping on my toes. I believe in being specific when I'm getting info also so, I'll clarify what I meant by "it". I meant engine coolant temperature. The coolant temperature would just hover around...- Jon_Bueno
- Post #14
- Forum: Engine Performance + Maintenance
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J
High Idle - Rich Exhaust
No, I just cut it open and replaced the foam filters, refilled it with activated charcoal and resealed it with epoxy. The charcoal was for aquarium filters not quite as fine of material though but close enough for me.- Jon_Bueno
- Post #13
- Forum: Engine Performance + Maintenance
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J
High Idle - Rich Exhaust
Hey Nad, Temp runs at about 202°F on the scan. Had a 195°F in originally, it wasn't getting hot enough. switched to a 205°F I replaced the intake temp sensor, also checked for continuity of wire back to ECM and connections. I only recently adjusted the idle set screw. I have it adjusted to...- Jon_Bueno
- Post #9
- Forum: Engine Performance + Maintenance
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J
High Idle - Rich Exhaust
Codes: 24 - VSS used to get a code 24 repeatedly, but I think that is taking care of. It hasn't come in awhile. I think odometer motor was unplugged inside the cluster. 32 - EGR this one came up recently on a road test. never had this one before. EGR Solenoid connections were gummed up...- Jon_Bueno
- Post #6
- Forum: Engine Performance + Maintenance
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J
High Idle - Rich Exhaust
Yes lots of parts, AC Delco parts for what I have replaced. I'll admit some didn't need replacing, but for "peace of mind" it was worth it to me. I've had the truck for quite awhile, but have had the emissions problem forever, (passed maybe twice) and some times really close to passing. The...- Jon_Bueno
- Post #5
- Forum: Engine Performance + Maintenance
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J
High Idle - Rich Exhaust
To be honest it was the first time using wd40 for vacuum leak. I agree with you about it being a protectant only. I first used propane with no results. Just trying anything at this point. I'll try MAPP tomorrow see what kind of results I have. Thanks.- Jon_Bueno
- Post #4
- Forum: Engine Performance + Maintenance
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J
High Idle - Rich Exhaust
1989 CHEVROLET C3500 7.4l TBI Automatic Transmission Fuel Pressure: 11.5 psi Manifold Pressure: 18 hg Thermostat: 205° F Timing: 4° BTC Controlled Idle: 750 rpm/13 counts Minimum Idle Air Rate: 700 rpm TPS at Idle: 0.82 volts MAP: with-in ranges o2 Sensor: voltage high at idle (0.8-0.9v +/-)...- Jon_Bueno
- Thread
- emissions high idle tbi
- Replies: 19
- Forum: Engine Performance + Maintenance
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12200411 PCM swap for 1996 to 2000 GMT400 trucks
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