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Posted by tribesmen (Member # 11900) on :
 
Well I'm having a problem with my 88 gt HCI upgrades 24# injectors tuned with a tweecer. The problem I'm having is after the car warms up, if I turn it off, there's no starting it back up unless I let it cool down or I take out the spout connector.I have checked all the basics And all seem to be fine. Even swapped out dizzy with my other car. New ignition module and pick up, still nothing. New dizzy, still nothing. Any ideas???
 
Posted by hurting your feelings (Member # 13641) on :
 
Unplug the tweecer
 
Posted by SLOW95GTS (Member # 10365) on :
 
coil maybe.. is it msd?
 
Posted by carajo-1 (Member # 13991) on :
 
quote:
Originally posted by hurting your feelings:
Unplug the tweecer
Yeap,
No need for a tweeter,on a hci fox.
 
Posted by Secnd2nun64 (Member # 1431) on :
 
Seems like your tune is not right. Timing/afr.
 
Posted by tribesmen (Member # 11900) on :
 
Even when unplug the tweecer same thing. I use the tweecer to correct the MAF readings since the MAF sensor I have is only calibrated for 19# injectors
 
Posted by JohnB (Member # 969) on :
 
Check power at the coil when hot. Correct voltage? Bad coil. No voltage? Check your ignition switch.

Is it a MAF-converted car? If so, check your grounds.
 
Posted by rollininmy50 (Member # 9067) on :
 
TFI module on side of distributor going bad. Need grease in between module if not bad so it don't heat up.
 
Posted by 5.0 LsX (Member # 10017) on :
 
lsx swap
 
Posted by tribesmen (Member # 11900) on :
 
All of the suggested parts have been replaced. All motorcraft parts. Still nada.
 
Posted by Secnd2nun64 (Member # 1431) on :
 
Check for spark when it won't start with an extra spark plug wire and plug. If you got spark, pull one of the plugs and see if wet with fuel. Also, do you smell raw fuel when cranking when it won't start?
 
Posted by tribesmen (Member # 11900) on :
 
The car will start right up if I remove the spout connector. No fuel smell. I Venetian tried a brand new dizzy. I'm stumped.
 
Posted by Secnd2nun64 (Member # 1431) on :
 
If it starts with the spout removed then you must have a timing issue. Try to redo your initial timing settings back to stock with the spout removed, plug it back in and see if that solves it. If not maybe you need a new ecu.
 
Posted by rickm347 (Member # 5323) on :
 
Where did you get the ign control module at? Did you have them test it when you bought it? Autozone is notorious for this issue. Have them run the test 6-7 times so the module can heat up like it does in the car when it craps out on you. Pay the price for the quality part (msd) and you wont be disappointed. Good luck! --Rick
 
Posted by rickm347 (Member # 5323) on :
 
When and if you take the control module in to get tested, bring the coil for them to test also.
 
Posted by jo_arce02 (Member # 11777) on :
 
after months of not doing nothing to the car. I finally decided to start driving it again. Issue is still there. even with all new parts. Dizzy, Module, PIP, plugs, wires... i have taken out the dizzy and double checked to make sure its not a tooth off from where it needs to be, checked out fine. any ideas?
thanks
 
Posted by 86- 50 (Member # 4723) on :
 
Try the computer
 
Posted by jo_arce02 (Member # 11777) on :
 
quote:
Originally posted by 86- 50:
Try the computer
tried two from NAPA and nothing changed. still the same thing. if the temp is below half way then it will start no problem.
this is driving me nuts!!!
 
Posted by Marks93 (Member # 11130) on :
 
Rolling off a couple of thoughts...

Have you tried to get a mass air flow unit calibrated for 24# injectors and lose the tweecer?

I didn't see that you tried changing the ACT (Air Charge Temp sensor)? Sends engine temperature to the computer..or check the connections to it.

Will keep thinking....
 
Posted by jo_arce02 (Member # 11777) on :
 
quote:
Originally posted by Marks93:
Rolling off a couple of thoughts...

Have you tried to get a mass air flow unit calibrated for 24# injectors and lose the tweecer?

I didn't see that you tried changing the ACT (Air Charge Temp sensor)? Sends engine temperature to the computer..or check the connections to it.

Will keep thinking....
i had the car running with a MAF and injectors i borrowed from my 66 efi setup. same issue. ACT will be replaced this weekend, thanks for suggestion. ill report back after i make some minor changes that will include replacing the intake with a trick flow, and also installing electric fans (nothing related to the issue im having, these items are just in the list of things to do).

thanks
 
Posted by Marks93 (Member # 11130) on :
 
One other thing I thought about after my last reply (of course) is have you checked if any codes are showing? Perhaps that could tell you something.
 
Posted by jo_arce02 (Member # 11777) on :
 
quote:
Originally posted by Marks93:
One other thing I thought about after my last reply (of course) is have you checked if any codes are showing? Perhaps that could tell you something.
the only code is 33 for EGR not closing or something like that. don't see how that would be related. i found a vacuum hose that doesnt look good. i'll replace that today. just went to the car to check on a power source for the ignition feed to the fan controller i'm gonna be installing and took a look at the ignition coil (thought i'd use the feed to that, but decided to use the coolant level sensor instead) looked at the connector and found one of the terminals appeared to be slightly out of the connector so i pushed it back in and it moved enough that it felt like there may not have been a good connection on that terminal of the ignition coil. hopefully that did it. will report back after my drive home. thanks again.
 
Posted by NK2186 (Member # 12319) on :
 
what is your timing set at right now?

Is your balancer new? re set timing when at top dead center on #1 to 10 or 12 degrees. if pulling the spout fixes it then there is a problem with your timing bro. make sure that balancer is not slipping.
 
Posted by jo_arce02 (Member # 11777) on :
 
quote:
Originally posted by NK2186:
what is your timing set at right now?

Is your balancer new? re set timing when at top dead center on #1 to 10 or 12 degrees. if pulling the spout fixes it then there is a problem with your timing bro. make sure that balancer is not slipping.
Balancer was replaced no more than a year ago. Timing is set to 10* if what you're saying is true, should I retard or advance the timing? Thanks for the help.
 
Posted by Blow_U_In_Reverse (Member # 12298) on :
 
I had a similar issue with my cobra when i bought it.. have you checked to see if you are getting spark at the coil & at the cylinders when you crank it and it doesnt start? And can you smell raw unburnt gas from the exhaust?
 
Posted by Martinna (Member # 12493) on :
 
When you say you've replaced the ignition module , do you mean the TFI module? It's gray with a weird bolt. If the starter doesn't crank with a hot engine, it's a sign the starter is bad. This happens to some cars with long tube headers. Doesn't sound like your case. Is your base timing properly set? TFI module seems the most likely.
 
Posted by jo_arce02 (Member # 11777) on :
 
quote:
Originally posted by Martinna:
When you say you've replaced the ignition module , do you mean the TFI module? It's gray with a weird bolt. If the starter doesn't crank with a hot engine, it's a sign the starter is bad. This happens to some cars with long tube headers. Doesn't sound like your case. Is your base timing properly set? TFI module seems the most likely.
Tried different TFI module. All new different brands too. Even a new distributor. Still the same issue!
 
Posted by Martinna (Member # 12493) on :
 
Here is a crazy thought, maybe the ECT or ACT is bad and giving false temp readings which affects the timing when hot. Maybe unplug those to see if that's the cause? Scanned the EEC-IV to see if it gives any codes? Youtube has videos on how to do this.
https://www.youtube.com/watch?v=jVjvgnLUBzE
 
Posted by jo_arce02 (Member # 11777) on :
 
quote:
Originally posted by Martinna:
Here is a crazy thought, maybe the ECT or ACT is bad and giving false temp readings which affects the timing when hot. Maybe unplug those to see if that's the cause? Scanned the EEC-IV to see if it gives any codes? Youtube has videos on how to do this.
https://www.youtube.com/watch?v=jVjvgnLUBzE
pretty much every sensor is new under the hood. even the ignition switch on the column. car went to the shop today. ill keep you posted and let you know what the tech finds.
thanks for your input! fingers crossed he figures it out.
 




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