- #726 of 849
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Re: Not really a miss [sirius2]
by sac220
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Apr 01, 2006 (3:44 am)
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Replying to: sirius2 (Mar 31, 2006 3:58 pm)
I dont think its been that long since I replaced the plug wires. They looked fine on the ends. But is a possibility. Havent got a clue where the filter is. Probably takes another special tool. I have a garage full of special tools for everything else.Was looking in manual and sounds like it might be egr valve. Am going to the junk yard today. 180 bucks for a new one. Pcv valve didnt look to good either. What about the fuel pump any thoughts on that? Wouldnt seem like it would be only on take off if it was that but stranger htings have happened. Thanks for the info SAC
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- #727 of 849
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Re: Not really a miss [sac220]
by sirius2
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Apr 01, 2006 (1:27 pm)
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Replying to: sac220 (Apr 01, 2006 3:44 am)
I've replaced the EGR it was closer to $120 at my local parts store. Gas filter is underneath the cabin of the car, drivers side edge, rear seat. Fairly easy to change, and if it's never been replaced, you should replace it FIRST, since it's only $15. There is a special tool, but I found it easier to not use it (maybe there's a trick). I've replaced a fuel pump too. It's in the tank and I paid my shop about $800 for that job, they had to drop the tank, etc. In my case the car would not start at all. They'll do the fuel filter at the same time. Let us know what it is.
http://www.partsamerica.com/ProductDetail.aspx?mfrcode=ACD&mfrpartnumber=GF578&p- arttype=4&ptset=A
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- #728 of 849
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Re: Not really a miss [sirius2]
by sac220
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Apr 02, 2006 (7:30 am)
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Replying to: sirius2 (Apr 01, 2006 1:27 pm)
I found a used egr with lomiles on it and it didnt make any difference so saved myself that money. Also am wondering about the vacuum to the fuel regulator. Dont have a fuel regulator gauge to check it. Am going to change fuel filter today. Said to make sure to bleed off vacuum before I take off filter, so wont get it in the eye lol. Was also wondering about the throttle body if there was anything in it that might be sticking so the injectors arent getting the surge at first. As I said it is only when starting off at stop sign when it happens. Once you get going it runs fine no missing or hesitation what so ever. Will let you know. Thanks again for all the help SAC
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- #729 of 849
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Re: Not really a miss [sac220]
by emmanuelchoke
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Apr 03, 2006 (7:52 am)
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Replying to: sac220 (Apr 02, 2006 7:30 am)
I had a 95 Lumina with the 3.1 engine and the only time it acted like this is when the MAP sensor connector was loose. There is also a vacumn line leading to the sensor, make sure it isn't leaking. If you or someone you know has a scan tool, it could eliminate a lot of false starts.
Be careful disconnecting the fuel filter, it may be holding as much as 40 psi. Best to let the car sit overnight, then check for residual pressure at the test port.
Also, run a vacumn check on the engine if possible.
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- #730 of 849
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Re: Not really a miss [emmanuelchoke]
by sac220
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Apr 04, 2006 (7:19 am)
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Replying to: emmanuelchoke (Apr 03, 2006 7:52 am)
The map sensor is the one by the coil pack isnt it.? Hevent checked that yet. Was wondering about the fuel pressure. Have no way of checking it. Have a friend who might have the gauge. I released the fuel pressure at the relief valve, and there was still some pressure but I had a rag around it when I released it so it wouldnt get me in the face. Sounds like an exhaust leak down under the egr valve, But didnt see any thing that looked like soot anywhere around that area. May be a cracked manifold, has a cover so couldnt see that.Kind of hard to get at .Will keep posted on what I find Thanks for all the help SAC
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- #731 of 849
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Re: Not really a miss [emmanuelchoke]
by sac220
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Apr 04, 2006 (7:38 am)
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Replying to: emmanuelchoke (Apr 03, 2006 7:52 am)
Have another question. If it was a sensor shouldnt I be getting a code from the check engine? Or service engine. Just a thought. I'm not getting either. When I gun the engine from under the hood by hand it gets a little puff of smoke from whereever the exhaust leak is . Only does it if I gun it really quick at the point of almost dieing.. Just cant seem to get a handle on it. Am getting ready to sell it for my son so hate to dump too much money in it but wont be able to sell it unless I can fix the dead spot. Oh well thanks SAC
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- #732 of 849
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Re: Not really a miss [emmanuelchoke]
by sirius2
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Apr 05, 2006 (4:18 pm)
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Replying to: emmanuelchoke (Apr 03, 2006 7:52 am)
I'm no help on exhaust leaks or cracked manifolds (sorry). My bad sensors always exhibited themselves with the check engine light and a code. I highly recommend throttle bottle cleaning. In fact, on Hondas it's considered regular maintenance, but not on Chevys, but it should be. What's your odometer? Good luck.
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- #733 of 849
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Re: Not really a miss [sirius2]
by sac220
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Apr 06, 2006 (9:58 am)
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Replying to: sirius2 (Apr 05, 2006 4:18 pm)
Odometer is 178000. Engine was rebuilt at about 125, but didnt change any sensors. This is the first time it has acted up since the rebuild. Was almost 6 years ago now. Was thinking headgasket but its not overheating. And it seems to run out at speed just fine. Will keep plugging thanks SAC
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- #734 of 849
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Re: Not really a miss [sirius2]
by sac220
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Apr 18, 2006 (9:37 am)
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Replying to: sirius2 (Apr 05, 2006 4:18 pm)
I know its been awhile but we finally found the problem. I was down to my last straw. I wsa taking the car to the mechanic and it died in the street half way there. Let it cool off, got it going by holding the accelerator to the floor and got it back home. Found in the manual tps sensor. Unplugged it and it would run fine. Allright I'm thinking this has to be it. Put a new one on and guess what? NOT!. Last and final straw. Talked to friend mechanic he brought his scanner over and plugged it in couldnt find anything at first, then noticed temp with running was only 53degrees. Trans was 120 degrees. Hmmmmmmm. he said change temp sensor. HHHAAALLALUYAHHHHHH> I'm on the road again. Just thought you would like to know. Thanks for all the help. SAC
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- #735 of 849
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Re: 1995 Lumina getting hot! [pdana]
by sac220
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Apr 21, 2006 (3:26 pm)
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Replying to: pdana (Sep 13, 2005 3:32 pm)
I have a problem with my 95 with the fans also. The passenger side doesnt seem to be working even tho I replaced both. The ac fan on the drivers side works. Where is the sending unit and the fan switch?
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