I need your help! My car is messed up bad... timing or whatever.

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knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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My car ever since I bought it had to crank for about 20seconds to start. I figured it was the timing and have been trying to fix it. I have replaced the fuel pump, spark plugs and wires. I have followed the TDC how-to from this site but it just doesn't want to fire right. When it did fire after I thought I adjusted the timing the car was running way left of the timing marks. So I am including pictures to make sure everything looks TDC etc.

Thank you.



Triperformance

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Time to pick up a repair manual before you tinker any more then you have. There should be areas to put all your marks at, odds are something jumped while you were trying to set the timing. Its easy on a timing belt car but on a chain car its a little tricky. I say pick up a manual because its the most detailed and informative item to own for basic repairs such as this. You should be able to get one from Nissan. Best of luck but I'm not the one to ask specifically about what lines up where since I don't officially own a 240 yet.

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MAXIMUS Nismo
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Car: 95 240sx SE
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check for the timing guides here.

zerothread/253879

they helped me out.

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240pav
Posts: 172
Joined: Wed Mar 22, 2006 7:22 pm
Car: 1991 240sx sr20det redtop

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what motor is itcause i think there is no english fsm for s13 sr20det... i might be wrong tho

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OM3GA
Posts: 3041
Joined: Fri Apr 14, 2006 11:41 pm
Car: A Sexy Mobile, 1993 Nissan 240sx 180sx Hatcher

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240pav wrote:what motor is itcause i think there is no english fsm for s13 sr20det... i might be wrong tho
Lol distributor, look at the head and valve train its obviously not an SR lol its a KA Dohc

Also taking a little long to start isnt neccesarily timing related, The way the cam lobes are ligned up looks correct IMO, Check other things, Ignition timing. Also check your compression, and make sure your plugs are gapped properly.

And OMG wtf happened to your upper guide? Looks like it broke off, I hope its not just in the motor somewhere! I still see the bolts and a piece of the guide on there.. that would scare me a little.

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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Upper guide was broke when i got the car... Luckly I was checking things out and took it out before it messed things up.

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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Well after cranking for awhile and messing with s*** the car will not start. I followed all the timing guides but nothing worked.. Now my sparkplugs are black so tomorrow I am going to buy distributor cap and rotor and new plugs and wires... maybe that is what is messed up.

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sebazztard
Posts: 2583
Joined: Fri Mar 02, 2007 9:44 pm
Car: 1992 Nissan 240sx rb25det project. 2000 Honda Accord LX DD. 1992 Nissan 300zx NA.

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i hope you fix this , i gave you advice on your other thread about egi relay. turns out it was an alarm system on my car. theres a ground that i removed to cancel my shoddy alarm setup that i inherited that touched the body of the car and prevented the motor from firing. something you could check into? i dont think your problem is mechanical. just tossing some ideas your way. get your timing chain looking right and remove those guides and go from there. check ALL fuses and relays even while starting. simple 5 dollar test lamp does wonders. i like good endings , i hope this thread delivers.

Shabbernigdo
Posts: 693
Joined: Thu Jul 20, 2006 11:36 am

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when i got my 240 home after first buying it i took the cam cover off and had noticed that the timing chain had cut the timing guide in half and the upper section was riding directly on the timing chain iteslf.

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sebazztard
Posts: 2583
Joined: Fri Mar 02, 2007 9:44 pm
Car: 1992 Nissan 240sx rb25det project. 2000 Honda Accord LX DD. 1992 Nissan 300zx NA.

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ok?

this still wouldnt explain the no start situation...then random start. the guides arent supposed to be there, ka 101.

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OM3GA
Posts: 3041
Joined: Fri Apr 14, 2006 11:41 pm
Car: A Sexy Mobile, 1993 Nissan 240sx 180sx Hatcher

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Sounds like you also may be running ultra rich? Try changing o2 sensor too after you get it running, But make sure you set the crank pulley at TDC and look at the lobes make sure they are pointing away from eachother (on the ones closest to the front) then check your ignition timing too make sure its at 20 degrees then go from there, your car would run like absolute s*** and have no power whatsoever if the actual cam timing was off..

From your first pic timing looks correct...is your timing marker bent on the front timing cover?? looks like it is IMO idk though lol maybe its just the camera angle?

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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ok so I installed the new plugs, wires, distribtor cap and rotor. The car started! But it is running like crap. I put the timing light on it and the pin is like 15degrees above the last pin on the passenger side. So like -15degrees?? I cannot turn it right because engine wants to die. What did I do wrong??

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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Ok... so I retried and got it to where it is supposed to be stock timing... just a really bad idle now. Probably because of blowing my o2 sensor or something... right?

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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It idles really rough until I rev it and it will even out and then when I let off the gas it idles rough but not like the car is going to die... just shakes the s*** out of everything

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amolao
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now that you got it running, check for codes. I think you might have a few diferrent problems. A bad O2 sensor makes your idle behave erratically but in a uniform way. It also makes the car run rich, but the car will start.

Johnnydrifter22
Posts: 82
Joined: Sun Feb 24, 2008 4:56 pm
Car: 1990 S13

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Your crank marks are Zero"d out. you want the crank mark 3 more down to the right. i believe thats what the FSM says. After you do that take the dizzy out and re-stab it to the #1 spark plug.

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sebazztard
Posts: 2583
Joined: Fri Mar 02, 2007 9:44 pm
Car: 1992 Nissan 240sx rb25det project. 2000 Honda Accord LX DD. 1992 Nissan 300zx NA.

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are you sure you are firing on all 4? that type of idle usually is a cylinder not firing, or you have your plugs mixed up.

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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I am going to try switching out my injectors and see if that helps.

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OM3GA
Posts: 3041
Joined: Fri Apr 14, 2006 11:41 pm
Car: A Sexy Mobile, 1993 Nissan 240sx 180sx Hatcher

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Also check to make sure your firing order is correct definitely check for codes id do that before changing any injectors.. Also if one injector is bad it will run bad and sound kinda like a subaru or helicopter..

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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It may be the oxygen sensor then. I dunno. When I get off work I will pull codes first thing.

knx2
Posts: 316
Joined: Fri Jul 15, 2005 1:37 pm

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Found out my problem. My injectors seals have cracks in them causing too much fuel.


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