HELP!!! 85 Pickup Stalling/bogging down - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 02-07-2011, 11:50 AM   #1 (permalink)
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HELP!!! 85 Pickup Stalling/bogging down

Good Morning,

I have a 22r, completely stock, no mods. About a week ago it started dieing once it got warm ... didnt matter if i was at highway speeds or at a stop light, you could feel the engine surging and if i pushed the clutch in it would die. I checked/replaced fuel filter first... checked all the lines aswell.. it ran fine for a few days.. then it started again. I have since replaced the air filter, cap/rotor, and plugs... The ignition coil is good and i have very good spark at every plug.

The truck runs GREAT before it warms up, but as soon as it warms up, its constantly dieing when there is no load on it and surging when there is a load on it.

I am planning on checking the vacuum pressure today, but all the hoses are hooked up correctly and the lines are new.

A little background... i recently PCS'd to Hawaii from Cali.. so no change in altitude and there has been no change in driving habits or fuel type.

thanks for any information you can provide.

luke
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Old 02-07-2011, 12:30 PM   #2 (permalink)
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Test the ignitor. Had a Supra do that. It ran great, until the ignitor got warm, then puked out. Let it sit and cool off, it fire up and run great again (for another 20 minutes).
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Old 02-07-2011, 12:40 PM   #3 (permalink)
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I second the igniter or the signal wire that goes from the igniter to dist.
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Old 02-07-2011, 02:06 PM   #4 (permalink)
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Any chance the carb/choke/linkage is hanging up? Might be time for a carb-going-through party.



Sounds like a very serious vacuum issue :shrug:
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Old 02-07-2011, 06:09 PM   #5 (permalink)
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i looked in my service manual and it only gives info on checking the ohms on the ignitor... so i will check that tonight... thanks for the heads up ... much appreciated
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Old 02-07-2011, 06:12 PM   #6 (permalink)
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before i pcs'd out here i had rebuilt the carb.. it appears to be running good however i had already planned on pulling the top half off either tonight or tomorrow..

i know.. the vacuum lines are all hooked up correctly but what a mess... wish i had a cheat sheet of what i could pull off and what i had to leave..

i bought a can of carb cleaner and plan on hitting ever line tonight to listen for any change in the rpm's.

thanks
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Old 02-10-2011, 10:20 AM   #7 (permalink)
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So i had an extra ignition coil sitting around.. put it on ...and its running fine now.. .dont understand that one bit.. But oh well going to go to dealership and purchase a new ignition coil.. wierd..
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Old 02-10-2011, 06:29 PM   #8 (permalink)
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Hi. just got me a 83 yotatoy week ago. i have the same problem, replaced the spark plugs wires, generator, start fine but after 5 or 7 mns. in the road, a dies on me allow time to cool off, and start again. so going to the dealer to pickup the same part.. keep posted..
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Old 02-11-2011, 10:10 PM   #9 (permalink)
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i havent had a single hickup (knock on wood) since i changed out the ignition coil back to the original.. ran her 50 miles yesterday in the rain at highway speeds.. no problems.. hopefully it fixes your issues also.. now to take care of that pesky rear main leak.. argh
i am waiting on the new ignition coil to ship.. definitely takes longer than the mainland... found it for 100 bucks from a dealer..
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Old 02-12-2011, 11:40 AM   #10 (permalink)
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ok i evidently spoke too soon... no problems all week then last night was driving cross island and started doing it again.. surging and then died several times.. now im lost... why did it get fixed for a week.?!
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Old 02-12-2011, 01:04 PM   #11 (permalink)
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sounds like fuel pump....surges when low psi....psi will vary when they start to shit out.....
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Old 02-12-2011, 03:36 PM   #12 (permalink)
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Quote:
Originally Posted by lukeiraq View Post
ok i evidently spoke too soon... no problems all week then last night was driving cross island and started doing it again.. surging and then died several times.. now im lost... why did it get fixed for a week.?!
same here.. replaced the coil ignitor $54.00 autozone, still the same PROBLEM!
so going for the f pump next...
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Old 02-12-2011, 07:44 PM   #13 (permalink)
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Quote:
Originally Posted by joopman View Post
same here.. replaced the coil ignitor $54.00 autozone, still the same PROBLEM!
so going for the f pump next...
There's your problem.
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Old 02-12-2011, 08:22 PM   #14 (permalink)
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which fuel pump did you buy?? was it from autozone? how is it working? i will probably go and buy it tomorrow ..just kinda waiting to see what results you have.
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Old 02-12-2011, 08:24 PM   #15 (permalink)
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second that
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Old 02-12-2011, 08:27 PM   #16 (permalink)
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i got my new oem pump online....toyota wanted $470 ish ....i got it shipped same part oem denso $125 ......
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Old 02-12-2011, 11:11 PM   #17 (permalink)
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check for any loose connection such as knock sensor wire mine cause it to run like crap
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Old 02-13-2011, 10:20 AM   #18 (permalink)
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Quote:
Originally Posted by lukeiraq View Post
which fuel pump did you buy?? was it from autozone? how is it working? i will probably go and buy it tomorrow ..just kinda waiting to see what results you have.
I have a couple Denso pumps kicking around. I get a lot of my parts from overseas. My anti-rattle springs came from aussieland back before advance auto retards started carrying them, and my balljoints came from triple-5 industries in Japan (the original manufacturer of the IFS balljoints). I stockpile parts for mine, when I find someone selling new ones cheap. Don't be afraid to peruse the interweb. Otherwise, LCE stocks Walbro in tank pumps for the EFI.
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