Forum: Transmissions and Running Gear
01-14-2012, 01:22 PM
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Replies: 99
Views: 21,322
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Forum: Transmissions and Running Gear
01-12-2012, 03:42 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
I should have done this one post #1...better late than...
This is "cruise/buck".
https://youtu.be/rLj6wmSDDRc
This is "fickle shift light".
https://youtu.be/EJCU98uB-ik
I believe these...
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Forum: Transmissions and Running Gear
01-03-2012, 05:33 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
one of these days I'll get a video of the "fickle Shift light". Below 2k and usually in 3rd gear up a decent hill, the shift light will flicker like an old fluorescent bulb until it builds enough...
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Forum: Transmissions and Running Gear
06-09-2011, 10:49 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
***update***
Never got the EGR off and the nuts are now officially mutilated. Once I reset the idle w/ a bias towards high (we're talking 50-75 RPM max) she cleared up most of her gremlins that...
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Forum: Transmissions and Running Gear
05-15-2011, 02:19 PM
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Replies: 99
Views: 21,322
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Forum: Transmissions and Running Gear
05-15-2011, 01:24 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
Eh, the EGR's bolts are destroyed...they won't budge & nothing will grip them beyond an infant's strength to turn them. I PB Blastered them overnight but they are too far gone. In other news the...
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Forum: Transmissions and Running Gear
05-14-2011, 01:01 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
I'll try and activate the IACV this weekend. The EGR might be a tad harder to clean considering the bolts are severely rounded off already (even when I used a brake line flare nut wrench) so removing...
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Forum: Transmissions and Running Gear
05-12-2011, 10:57 AM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
I re-inspected the IACV to be sure, it was soo clean even the mesh was shiny. I unplugged it & reset the idle according to HELMS, I didn't have a diagnostic tach so I went with the dash tach...
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Forum: Transmissions and Running Gear
05-10-2011, 04:32 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
When I swapped TB's I cleaned the newer one before installing, no change. I've cleaned the IACV recently, the mesh looked fine, now I'm leaning towards electrical issues with both sensors, something...
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Forum: Transmissions and Running Gear
05-09-2011, 07:39 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
Spent several hours Friday tracking wires and voltages, long story short the TPS cannot be my problem, nor can the MAP or conversion harness. Considering that when I disconnect the TPS, the ECU...
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Forum: Transmissions and Running Gear
05-03-2011, 09:55 AM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
I'm more than frustrated on this problem, as it has plagued me since day one of the successful swap. My next free day I'll rewire the sensor directly to the ECU pin-outs and then I should have my...
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Forum: Transmissions and Running Gear
05-02-2011, 08:28 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
Overdue update time...
I had a spare minute today and decided to play around with this everlasting buck problem that has persisted so long. I warmed the car up and drove her back to back with the...
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Forum: Transmissions and Running Gear
08-28-2010, 05:16 PM
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Replies: 99
Views: 21,322
Re: '89 CRX HF + D15Z1 troubleshooting...
Sadly, I never really figured out the cause. I continue to drive the car on weekends and for fun, maybe 4-5k miles a year and the buck issue comes and goes, right now it's in full force. Definitely...
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Forum: Transmissions and Running Gear
02-16-2009, 10:52 PM
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Replies: 99
Views: 21,322
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Forum: Transmissions and Running Gear
02-01-2009, 11:47 PM
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Replies: 99
Views: 21,322
110 miles and counting, no 'new' problems, just...
110 miles and counting, no 'new' problems, just the persistent one. Quick Q, what would cause the upshift green arrow to spas out sometimes and flicker when accelerating kinda slow before deciding...
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Forum: Transmissions and Running Gear
01-26-2009, 11:42 PM
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Replies: 99
Views: 21,322
I've driven it 8 times since w/ no problems,...
I've driven it 8 times since w/ no problems, dunno why the problems this car has are so intermittent. She's kept all her coolant since that drive. I did notice the cruise/buck is also hit or miss,...
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Forum: Transmissions and Running Gear
01-25-2009, 10:47 PM
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Replies: 99
Views: 21,322
well, I'm pretty bummed. After a brief...
well, I'm pretty bummed. After a brief problem-free run, she started acting up again. The bucking is back in full force, the idle doesn't loop anymore but it still doesn't settle low enough w/ the...
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Forum: Transmissions and Running Gear
01-16-2009, 12:14 AM
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Replies: 99
Views: 21,322
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Forum: Transmissions and Running Gear
01-11-2009, 11:12 PM
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Replies: 99
Views: 21,322
I don't have a handheld tach, but the indicated...
I don't have a handheld tach, but the indicated RPM was lightly looping from 700-800. Also, some of my grounds were replaced/upgraded during the swap, including 4 gauge ones going straight from the...
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Forum: Transmissions and Running Gear
01-10-2009, 12:01 AM
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Replies: 99
Views: 21,322
For the uninitiated: '89 CRX HF w/ D15Z1 swap...
For the uninitiated: '89 CRX HF w/ D15Z1 swap (approx. 100k on motor), HF cable tranny, no A/C, stock airbox/stock exhaust dumps at pass. wheel/no muffler, 5-wire O2, P07 ECU
Problem: Cranks...
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Forum: Transmissions and Running Gear
01-05-2009, 11:29 PM
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Replies: 99
Views: 21,322
I've got plenty to check on my Z1, mainly each...
I've got plenty to check on my Z1, mainly each and every vac line, but I'll reset the idle per HELMS spec to rule that out. I had just figured that neither my TB's had been tampered w/ and were not...
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Forum: Transmissions and Running Gear
01-01-2009, 09:48 PM
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Replies: 99
Views: 21,322
Well, disappointing news. I swapped the TB for...
Well, disappointing news. I swapped the TB for a known good one and the problem did not go away :( The idle is lower, granted, to about 1.1k when it finally levels out but it still "hunts" up and...
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Forum: Transmissions and Running Gear
12-28-2008, 11:33 PM
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Replies: 99
Views: 21,322
checked the TPS wiring today w/ a MM, all...
checked the TPS wiring today w/ a MM, all connections have continuity to their respective ECU ports, although for my setup and the ECU reference sheet I've been using, D20 is the TPS reference...
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Forum: Transmissions and Running Gear
12-27-2008, 11:30 PM
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Replies: 99
Views: 21,322
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Forum: Transmissions and Running Gear
12-25-2008, 10:14 PM
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Replies: 99
Views: 21,322
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