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Re: weird 22re problem...EB, are you there? [Re: MAC] #959304 08/19/09 07:58 PM
Joined: Jun 2003
Posts: 3,576
engnbldr Offline
Roll Me Over
*****
Quote
Having trouble starting my truck sometimes recently. When it sits overnight it is OK. If it sits for an hour or more (this varies from 1 hr to sometimes 4 hrs, and it's OK) it starts OK, but sometimes starts with a 'shudder'. When it starts hard the symptoms are that it cranks quite long, and then comes to life very feebly...kind of lights up slowly (fells like if you give it any throttle it will die...just have to let it come to life by itself) Once it is running it runs ok...maybe a slight loss of power, but not sure. Checked a bunch of things but am wondering if my timing chain tensioner could be sticking. My last truck exhibited the shudder at startup for a while before the chain jumped some teeth (at startup) and bent valves (seemed like the tensioner was the culprit). Nothing else is making much sense with these symptoms. Any help/experience out there? Sure don't want to jump the chain again!


>>>*Morning!

Sorry I am being slow here, I have been out underbrushing some stands of trees, "only" about 150 acres left to go....

I finally got smart and got myself a crew..of women...really!

*Heehee.

*Slow to start, opening the throttle seems to delay?

Step one is mixture, clearing overnight suggests rich to me. I assume you have done the "Hold her to the floor until she starts" trick? That should clear rich, if it doesn't then forget what I just said.

Next I would be thinking bad connection to the injectors like has been suggested. Maybe a cold start circuit no working?

Honda does that when the rollover valve to the fuel pump is acting up, never heard of that with a Toyota but maybe? If she turns out to be something like that I want to know what and how it's fixed, we have another one doing exactly the same thing. Then we had one that didn't want to start, even spit back once in awhile, easy one there, valves too snug. Oddly stone cold she would fire right up, but wouldn't hot.

I think I would be checking the fuel pump voltage when she is cold, then doublecheck to see if it is different when the symptoms show up.

Heat soak can cause odd reactions.

Holler if you figure it out.....I am back to the brush again.......*EB


*Beats the he** outa me!....*LOL**...
Re: weird 22re problem...EB, are you there? [Re: engnbldr] #959305 08/23/09 07:25 PM
Joined: Aug 2003
Posts: 480
MAC Offline OP
Mudrunner
EB, thanks for the response. Been tied up with my 93yr old mother in the hospital...she'll be ok but the shuttling back and forth and trying to get my job done at work has had anything else on the back burner.
I checked the resistance of the cold start sender cold and it was within spec. I did not check hot(yet). Resistance of the cs injector itself was ok too.
I swapped out just about everythig electrical with my spares from my parted truck... coil, igniter, cap, rotor, wires, FI relay, and mass air unit.
Valves adjusted, timing checked.
Don't see a vacuum leak(carb cleaner and propane check)
new update..over the last two days it now starts hard after the overnight... getting worse...
If the injectors are leaking, should the overnight dissipate the gas?
Looking at pulling the injectors, getting them reconditioned and do the solder job on the injector wiring. Does not look like a big deal to pull and replace the injectors?
Your comment: 'I assume you have done the "Hold her to the floor until she starts" trick? That should clear rich, if it doesn't then forget what I just said.'....
For fuel injected motor? I thought that was a no no for FI starting.

Re: weird 22re problem...EB, are you there? *DELETED* [Re: MAC] #959306 08/24/09 01:39 AM
Joined: Apr 2005
Posts: 525
yodta Offline
Rock Warrior
Post deleted by yodta

Last edited by yodta; 08/24/09 01:39 AM.

msg - '87 xtracab
Re: weird 22re problem...EB, are you there? [Re: yodta] #959307 08/24/09 03:23 PM
Joined: Aug 2003
Posts: 2,854
G
Greg_Canada Offline
Roll Me Over
If you a customtacos.com member www.paradiseracing.com offers injector cleaning for 10$ each. I got mine done there, they're in the mail back to me. Much cheaper than other places i've looked.


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
checking fuel press regulator [Re: Greg_Canada] #959308 08/30/09 08:15 PM
Joined: Aug 2003
Posts: 480
MAC Offline OP
Mudrunner
I want to squeeze off the return line from the fuel pressure regulator. The rubber fuel line seems very dry and hard. Should I not be worrying about damaging/cracking it? Anyone done this with original rubber and not harmed it?

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