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motor help ASAP [Archive] - StangBangerz Forums
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stang5slow
10-20-2009, 06:00 PM
for those of you who hadn't heard, my car broke down on the way to the cruise sunday, crusing with a few stangs, they pulled over to help (thanks), well i need some expert opinions, t-stat went out, motor over heated, it still wont start, i checked oil, its not milky, checked plugs, there not wet, they all throw a spark, i still have compression, distributor is fine, i have good fuel pressure, timing is at 16, but never has detonated, you think it may have? timing has been on 16 for 4 months, ive checked everything i can think of, it still wont start can someone spitball ideas maaybe we can figure this out together???? any and all help is appreciated gents
redfirepearlgt
10-20-2009, 06:25 PM
for those of you who hadn't heard, my car broke down on the way to the cruise sunday, crusing with a few stangs, they pulled over to help (thanks), well i need some expert opinions, t-stat went out, motor over heated, it still wont start, i checked oil, its not milky, checked plugs, there not wet, they all throw a spark, i still have compression, distributor is fine, i have good fuel pressure, timing is at 16, but never has detonated, you think it may have? timing has been on 16 for 4 months, ive checked everything i can think of, it still wont start can someone spitball ideas maaybe we can figure this out together???? any and all help is appreciated gents

Holy mother of pearl batman, that is crazy. Sounds like it may be time for a compression check, or look into the fuel system. Could the fuel cutoff switch been tripped by the tow process which would stop fuel flow. I am just doing what you asked, throwing spitball ideas at a problem in hopes it will jog better thought from someone else or you. Good luck.
stang5slow
10-20-2009, 06:29 PM
lol, well as i said, any and all help is appreciated, but i checked compression, its good unless i used the guage wrong lol, dont think i did, the pump IS supplying fuel i checked the valve on fuel rail, and even reset the fuel pump just incase, im still lost, i did turn the dist. down a hair, like 14-15 degrees now, it wants to start a little better but still wont
PaulFiveOh
10-20-2009, 07:37 PM
I know this sounds stupid, but try resetting your ECU, sometimes it has fixed stupid problems for me, similar to the one you are having.
stang5slow
10-20-2009, 07:38 PM
how do i do that? i dont have all the tools as a master mechanic, so i'd need to take the car somewhere or have someone come to me lol
redfirepearlgt
10-21-2009, 06:56 PM
how do i do that? i dont have all the tools as a master mechanic, so i'd need to take the car somewhere or have someone come to me lol

On most vehicles if you diconnect the positive battery terminal and leave it unhooked for 15-30 minutes (it may be less) this should reset the ECM. That is the only way I know of to do that. Hope this helps. Sorry for the misfortune.
stang5slow
10-21-2009, 07:19 PM
ah, i did that one already, didnt work, the motor would barely crank at first, but after i turned the distributor down a little, it cranks a little better, but wont start, like its getting a spark, just not good enough to start
redfirepearlgt
10-21-2009, 07:52 PM
I am on phone with an old friend who is a Ford fanatic and mechanic. He wants to know if when you checked the compresion on EACH cylinder, how long did it take to build the comression up and how long did it stay up before bleeding off? He says also to be sure that when checking compression that you have ALL sparkplugs removed when doing so. He states that he would build compression on a cylinder being checked then allow 5 minutes and monitor the compression loss over that time for each cylinder. He stated more than a 3 lb loss over 5 minutes is a likely a bad thing. He says that he bets you still have a blown head gasket because I told him that I saw white smoke blowing out of your exhaust as you passed by Sunday. Hope that helps out.
03z06vette
10-21-2009, 08:15 PM
Does it sound the same when its cranking? do u have alum. heads? alum heads warp pretty easy. try checking comp. with all the plugs out and with the throttle held wide open. that will give u an accurate reading. heat can do some weird stuff. if u are local i would b willing to help u check it out. call me at my shop tomarrow and i can give u some other easy tests. Dawsons car care 513-398-7795
may93
10-21-2009, 10:16 PM
If it was running ok up to the point it over heated I doubt its the timing. Place the # 1 cylinder at top dead center on the compression stroke and check to see if the rotor points to the # 1 position on the distributor cap. If so its not the timing.
Then even though you mentioned having fuel pressure you need to see how much. It should be around 40 psi even while cranking or at least close. If its less you may have a fuel pump or fuel regulator issue.
If you have a check engine light on it may show you what the problem is with a scanner. Also check your MAF sensor just case you accidently unplugged it and the ignition module itself could be bad. I really think you have a electrical issue but until you check the basics its hard to diagnose. Also check your ground from the motor to the firewall also. Once you get it running then address the heating problem.
stang5slow
10-22-2009, 08:16 PM
thanks to all, ill keep on her, ignition module is new, mass air is plugged in, and i only checked compression on one cylinder, ill see if i can get the guage back from my buddy store if its not rented out again
stang5slow
10-22-2009, 08:19 PM
Does it sound the same when its cranking? do u have alum. heads? alum heads warp pretty easy. try checking comp. with all the plugs out and with the throttle held wide open. that will give u an accurate reading. heat can do some weird stuff. if u are local i would b willing to help u check it out. call me at my shop tomarrow and i can give u some other easy tests. Dawsons car care 513-398-7795

im pretty close to ya, i live almost right in front of rumpke in colerain, ill give you a call tommorrow, i should be off work aroun 9-11 a.m so depending on how tired i am, i may take a nap first (ya i know i sound like a kid lol) but that happens when you work at 3 a.m and do hard labor
Johnny O
10-22-2009, 08:39 PM
Your car has H1N1!!! 1st they run a fever right???
JA04GT
10-22-2009, 08:45 PM
Your car has H1N1!!! 1st they run a fever right???

LOL:lol:
stang5slow
10-23-2009, 05:37 PM
Your car has H1N1!!! 1st they run a fever right???

ya, its had theH1N1 a couple times lol, give it a dose of a new t-stat, and problem goes away, i think it couldnt handle a fourth t-stat
Gearhead559
10-23-2009, 06:03 PM
check the dizzy gear..just to be sure..

have you done a compression test? what was the numbers?
sean
10-23-2009, 06:20 PM
If its turning over and getting spark have you tried starting it with starting fluid? I really think it has something to do with the overheating but the starting fluid would at least help you narrow things down.
Timido
10-23-2009, 06:58 PM
Check codes? If it has spark, fuel and compression it should run.
stang5slow
10-23-2009, 08:15 PM
i checked compression again, its 45-80 throughout the cylinders, 120 is where its suppost to be i think??? but i finally did get it to fire up, i have to crank it over an hold it for 5 plus seconds for it to start, rough idol at start up, but soon idols smooth around 750 rpm, normally the motor gets to normal operating temp after about 10 minutes of running, this time, after a few minutes it started over heating again, i figured the t-stat was stuck closed because of how fat the upper hose was the day this happened, but the lower hose holds the same amount of pressure, not sure if im dealing with a headgasket, cracked block? (not sure about that one), maybe somehting with the pistons, or possibly it could of jumped timing???
may93
10-25-2009, 09:07 PM
Does it have a over heating history? If so is the water pump turning in the correct direction? I've seen people remove emissions and A/C units and then reroute their belt incorrectly causing the waterpump times on to turn in the wrong direction. Also if you removed all plugs and after cranking at least 5 or 6 times per cyl only made 40 lbs of pressure then you have a problem. Squirt a little oil in the cylinders afterwards and then recheck the pressure. If it increases drastically then you have a ring issue...
Dirtyd0g
10-26-2009, 01:20 AM
Check codes? If it has spark, fuel and compression it should run.

WERD!
Well as long as it isn't a 3.8 pumping more water into the cylinders than fuel....
Alan
NXcoupe
10-26-2009, 04:10 AM
What has been done to the car mod wise? has it had heads swapped or head gaskets replaced?
facemelter71
10-26-2009, 07:49 AM
What has been done to the car mod wise? has it had heads swapped or head gaskets replaced?

Sorry Nick,been kinda busy between work and working at home.Then going to Indy yesterday.
Anyway,NXcoupe.No head gaskets or heads swapped.As far as I know,no recent mods.CAI and throttle body,SLP mufflers,no tailpipes.

It sounds like it might be an ignition problem.Where is the MSD located? Mine got hot once on the expressway coming back from getting my Tux for my wedding.I unplugged the msd and went with the stock coil and ignition and it fired right up.After it cooled down,I plugged it back in and it worked.Msd's dont like to get hot.
stang5slow
10-26-2009, 02:12 PM
ya i unplugged that ignition after it cooled completely down and plugged the coil back in, it still wouldnt fire, but as i said, it fired up now, but just sounds like a peice of shit lol, all it has is the ignition, full exhaust, pro dumps now instead of slp's, 16 degree timing, and that was it, im gonna check and see if a cylinder is washed out because theres fuel on the dip stick, maybe change injectors and oil and maybe it'll run perfect
stang5slow
10-26-2009, 02:14 PM
Sorry Nick,been kinda busy between work and working at home.Then going to Indy yesterday.
Anyway,NXcoupe.No head gaskets or heads swapped.As far as I know,no recent mods.CAI and throttle body,SLP mufflers,no tailpipes.

It sounds like it might be an ignition problem.Where is the MSD located? Mine got hot once on the expressway coming back from getting my Tux for my wedding.I unplugged the msd and went with the stock coil and ignition and it fired right up.After it cooled down,I plugged it back in and it worked.Msd's dont like to get hot.

i figured something was going on becuase i called you like 5 times lol
facemelter71
10-26-2009, 02:47 PM
Yea i have seen the missed call list on my phone.I havent been carrying it with me since I seem to drop it ALOT.And usually the time I get to it,its late.Usually around 11 or so.
That and shingling the shed,workin on my coupe,truck,saturn,nissan,brothers stang,and neighbors camaro.Im kinda pooped.
stang5slow
10-26-2009, 02:59 PM
lol, sounds like you need to get paid for all that lol, ya, im usually sleeping at 11, he'll im asleep by 7 anymore, so i can get up at 1 for work, i dont have time to work on this car till the weekends anyways, but on weekends im usually up till 3
stang5slow
10-26-2009, 04:30 PM
AHHHHH effing intakes
stang5slow
10-26-2009, 05:35 PM
well an update, i got 4 fuel injectors off so far, the driver side, 2 of them has the tips missing, the rubber and shell around them, guess they fell inside the cylinders lol, ill get the other 4 off tomorrow if it dont rain
tdm309
10-26-2009, 07:32 PM
Make sure you check down in the intake hole where the injector goes in. The oring get stuck in there and pulls off of the injector when you pull it out sometimes. Sounds to me like you may have a head gasket problem. When you get it running does coolant come flying out of the radiator? If its coming out really fast you may have a head gasket problem.
stang5slow
10-27-2009, 01:57 AM
Make sure you check down in the intake hole where the injector goes in. The oring get stuck in there and pulls off of the injector when you pull it out sometimes. Sounds to me like you may have a head gasket problem. When you get it running does coolant come flying out of the radiator? If its coming out really fast you may have a head gasket problem.

it did sunday headed to the cruise, only time it ever did it, but it also was as hot as it can be, thats when it over heated, the t-stat didnt open up, ya, 2 injectors had broken tips and one is missing the o ring, guess they fell off into the cylinder where they plug in at