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New 1988 R30 Classic Custom owner, need help
Sorry for going mia everyone. I'll respond to everyone soon. I wound up in the hospital from heat exhaustion; I'm fine now. I've been doing 2-4 hours late into the night working on this truck, after a full day of work. that's after walking 7 miles to work each way in this TN heat (100 degrees...- af77
- Post #65
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
I bought a tester that plugs in line between the plug and the cable. It definitely is firing through that wire; it also shocked me. I replaced the spark plug anyway. Made no difference. I also stuck a block of JB weld over the crack in the exhaust header.- af77
- Post #60
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Where the exhaust attaches I can see the flame because there is a giant hole in the exhaust. I'm going to check the plugs but I just put all new ones on 10-15 days ago.- af77
- Post #58
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Where the exhaust attaches I can see the flame because there is a giant hole in the exhaust. I'm going to check the plugs but I just put all new ones on 10-15 days ago.- af77
- Post #57
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
I think I found the misfires/bad cylinders. Using a heat gun, one exhaust header is 100 degrees cooler than the others. Second, and I don't know if this is an issue, I found an exhaust header with a hole in it right where it joins to the engine where you can see the spark and hear it. Two...- af77
- Post #55
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Okay this is all a lot to digest. I was going down the path of sensors and fuel pressure. But I have a timing light gun now. Learning how to use one after watching YouTube videos.... well it's rough. I'm just out of my element here. The big question I have is where in the world are you all...- af77
- Post #52
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Maybe you can help me with that. I see the firing order, I can read it. I know it means that is the order the plugs fire in. But how do I translate that to "this wire goes here." Do I find spot one on the cap, put plug 1 there, then counter clockwise from there put plug 8, then 4, then 3, etc?- af77
- Post #42
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
I do have an EGR system. Tomorrow I won't. Got the delete kit at O Reily's. Also, going to put it in ICM mode for ignition firing instead of ECM mode and see if that makes a difference. My distributor may be off. Surprised nobody has asked me to replace or test the 02 sensor. I just read the...- af77
- Post #38
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
I don't know if there is an egr, I don't even know what that is. I do believe the distributor wiring may be wrong though. I see the firing order stamped on the engine but can't find a diagram for this engine. The ones I've found don't match what I'm seeing wired up here at all. Edit: however...- af77
- Post #36
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Here is the video (link below). One minute in I scare the crap out of myself by getting shocked from the distributor cap. I'm going to use a heat/thermal gun pointed at the headers to figure out which cylinder isn't firing. I do have a question about the firing order though. The diagrams I've...- af77
- Post #34
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
What makes you say there is a cylinder not firing? Seems to idle smooth to me. I just replaced all the plugs and wires five days ago. It was having these issues before I did that. I also cleaned all the distributor contacts while I was doing it, by the way. I can start it up and pull them off...- af77
- Post #33
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
SirRobyn, Per your request I made a video of me starting it, driving it, and even under the hood. I have commentary throughout. Thanks for all the help. Edit: Is this what you guys are telling me the issue is? Replace this?- af77
- Post #30
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Here is a video of everything under the truck. The exhaust and the transmission. Transmission is: TH400/3L80 The thirteen bolt one.- af77
- Post #29
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
I did with it shuttle still manually actuating the throttle, yes. Both were spraying. I'd be happy to rebuild that TBI with the rebuilt kit, but that all seems good honestly. Haven't checked it while driving it, obviously. That's why I'm doing the fuel pressure test next. Just need those last...- af77
- Post #26
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Automatic. I have no idea beyond that. Need pictures or more details?- af77
- Post #24
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
When doing a fuel pressure test , the T connector goes after the fuel filter right? Any clever way of connecting the T connector up without spraying gas all over the place? By the way, my target psi should be 13+ psi for the fuel pressure right? Should that be at idle, with gas pedal punched...- af77
- Post #23
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
So that's part of the problem; after I start it and give it some gas it idles pretty well. It only has the problem when driving it above 15mph. It's really just like it's not getting enough gas/air. However, if I leave it in park I can rev all the way and down and it's smooth (with Maybe a...- af77
- Post #21
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
It won't go over 35 because it (seems) it can't get enough "power". I can punch the gas and it won't take off, it'll big or slowly get up to about 25mph. Top speed is around thirty. It's like it's not getting enough gas. But then sometimes it backfires so it could be an air/fuel ratio thing. The...- af77
- Post #19
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
I've replaced everything (fuel filter, pump ) and those sensors. Same issue. Even after disconnecting and reconnecting battery. Sprayed all of under the hood with starter fluid to search for vacuum leaks, didn't find any. I'm checking fuel pressure next "just because". Running a lean...- af77
- Post #15
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Okay I replaced the TPS and the MAP sensor and I finally got the trouble code. The code is 44. Now I need help figuring out which of these is causing a "Lean Exhaust": http://www.misterfixit.com/code44.htm- af77
- Post #13
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Replacing these today. Also, here's a video of my engine/under the hood.- af77
- Post #12
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
I have a MAP sensor on a 1988 R30? I didn't think I had one.- af77
- Post #10
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
It's a 1988, you can check codes on those? I don't see a place to plug in an OBD reader. I don't think you can check codes on it. Edit: did some googling. I'll go find that DLC connector and watch for the flash pattern. Thank you.- af77
- Post #9
- Forum: Introduction
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New 1988 R30 Classic Custom owner, need help
Could it be the TPS? Do the symptoms I'm describing match that? Walker Products 200-1042 Throttle Position Sensor https://www.amazon.com/dp/B019XF5UAM/ref=cm_sw_r_cp_api_i_MKU9EbHAEZRXP- af77
- Post #8
- Forum: Introduction
