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Engine Specific Info and Questions => IDI Engine => Topic started by: BEEJERS on June 28, 2007, 04:30:11 am
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history/make:
1991 1.6L turbo ecodiesel 212,000 miles
custom 2.5 down pipe and exhaust
no pump or turbo mods. car runs(did) great
i am driving home and get of on a exit ramp, when i reach the light my engine had stalled.(never happened before) i barley get it started and drive for 3 more miles before it was done. engine idled very rough, and there was a lack of power,also blowing smoke going up a hill(not normal).
i put the crank at TDC and the cam lined up with the head, the pump seemed to be in time with the check hole.
any ideas?
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how do i check? i looked(tried) through the clear area, tapped it with my hand several times and saw 1 bubble.
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Yup, looking at the clear section of the line is how you check, and if you saw a bubble you have air.
After that it's pretty much work your way back to the fuel tank... tighten every fitting and pay very very close attention to the fuel filter... many leaks have been reported there... either at the filter flange or fittings or the filter itself. If your fuel filter is due for replacement anytime soon you might want to start there and take extra care during installation.
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the pump has been seaping a little bit for a while now. can this be the cause, where would i buy the gaskets to fix it?
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Oh, now you tell us. Another pump victimized by ULSD. Yeah, the pump can be sucking in air causing your problems. Personally, if your pump has never been touched, I would get a rebuilt pump and get a real turbo pump (not the ECO pump that you probably have) with the LDA on it so you can get more than 59HP to get 68HP. You will have to hook up a boast hose to the pump, otherwise, your block is already a real turbo block and only missing a real turbo pump. Giles could do it for you, I hear he is pretty good.
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You might also have a load-reduction relay issue. I have a similar issue in my 92TD. It runs fine, then all of a sudden, it runs like crap, then stalls, then takes about a minute for me to get it started. Idles as like 300, no matter how heavy you lay on the gas, then eventually, vrooom. and off you go.
I'll have to look at my fuel pump too though. It only seems to happen within the first 15 minutes of driving, and usually when it's damp or wet.
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I'd change the fuel filter first. Depending on how much it's leaing it may or may not be your issue. There is a guy on vortex selling rebuild kits, I told him to post over here, whether he will or not is another thing
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last night i tried something. got the car started, very rough idle-and if you hit the diesel pedal it stalls.
i decided to crack the ejector lines loose as it was idleing.
first ejector no change/a little diesel came out.
second ejector no change/a little diesel came out.
third ejector-as soon as i cracked it loose it stalled.
fourth ejector-as soon as i cracked it loose it stalled.
does this mean the first two are not working and the second two are doing all the work?
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does this mean the first two are not working and the second two are doing all the work?
That is what it sounds like.
If you remove the lines completely and crank the engine over does diesel shoot out of all 4 ports on the pump? Don't touch the ports or have yours hands anywhere near them, the diesel will penetrate your skin and you might need to get that finger amputated. Over the 5" or so of clearence before the fuel hits anything it should have slowed down enough to not cause any damage. Rinse the diesel off any hoses though or you'll have to replace them
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S%$#T. i bought some injectors(mine did need replacing) but that wasnt the problem!!!!!!!!!!! i am going to do a compression test now.
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You are using new heat shields every time right?
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yes, i tried to do it to a T. I bought the injectors, heat shields (put in the right way) and new rubber hoses. I have to find a gauge that will go up to 500 psi for my compression tester then i am going to test. My only thought is that i blew the head gasket between the cyclinders. when i crack the line loose on the first two injectors, diesel does start to come out, therefor i think the pump is pumping.
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Where are you located? Maybe someone on the board has one you can borrow
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grand rapids ,michigan
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You should add it to your profile so it's in all your posts, it helps.
You're too far from me though unfortunatly.
Is your oil diluted at all? If # 1 and 2 aren't firing that's aot of fuel being pumped into the engine
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It just started this ,so the oil is still good. But the exhaust is blowing white smoke, which if i under stand right that is un-burnt fuel. that was not the case when it first happened. i thought i saw black smoke.
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It can be unburnt fuel, sometimes from too far retarded timing or it can be coolant, which would suport your thoughts on the HG
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Well i would like to thank all of you and "burn_your_money" for all the help. I made my own compression tester( I can cut, weld and fabricate anything), and proceeded to check the cyclinders. 3 and 4 looked great, 1 and 2 had nothing. took the head off today and the gasket between the cyclinders was blown. :( :( :( :(
Going to look into rebuilding my other IP, it has a LDA on it. i know, i know send it to giles, its just too much right now to spend on my daily driver while i am trying to finish my Jeep.(LT1,700R4,Dana 60,four link,40"tires). Maybe some day, i would like the added power,and the extra fuel economy.
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Glad to hear you got it figured out, it's unfortunate that it's something so serious though.
Make sure you check the head and block to make sure they are straight, a HG job is not one you want to do twice
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well its been to long.been working 75hrs per week and have not had much energy left to work on anything. BUT.......I heard it fire up last night :D :D :D :D :D :D :D . i have a few minor things to finish up this week, but i am very close. i put a new head gasket on, a real IP pump with LDA, new injectors, new timing belt, set my timing, modified my 2.5 down pipe for easier removal, bigger turbo, used the ECO intake with no blow off, made a riser to fit the turbo, and added some bling, bling paint.
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sweet, hope it works right. Be glad you get to work on a vw diesel, I'm stuck working on a chevy celebrity :cry: