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Car won't start but cranks

Tiny
CPTTREVOR
  • MEMBER
  • 2004 KIA AMANTI
  • 120,000 MILES
My Amanti wont start it cranks no start. I have check plugs change fuel pump, check fuel pump relay, check coils good spark very strong. It would try to start but it would die out. If I squirt a little starting fluid into throttle body it would start up and run-until it burns off. This only happen after I stop and put gas in my car it was running fine before. I stop turn car off put in gas try to start very hard engine running with now power.I started to drive home and it got better and run nice after a few minutes. I parked in the driveway and it would not start for three days now. Run code check it is giving me a code for the MAF sensor could this prevent the car from starting? I thought it was the CPS but no codes for that can you shed some light. Cpttrevor
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Friday, October 5th, 2012 AT 8:05 PM

45 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
What are the exact numbers you have not code descriptions?
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Friday, October 5th, 2012 AT 8:18 PM
Tiny
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  • 27 POSTS
P2125 accelerator pedal position sensor circuit malfunction. I had a code for the MAF but I clean it and that went away but car still cranks but wont start unless I spray starter fluid in throttle body
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Friday, October 5th, 2012 AT 11:08 PM
Tiny
SATURNTECH9
  • MECHANIC
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If you clear that code does it come back right away?
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Saturday, October 6th, 2012 AT 1:20 AM
Tiny
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  • MEMBER
  • 27 POSTS
Not the MAF sensor code but the P2125 comes back. This car have and adjustable TPS I even tried moving it a little nothing. I put it back where it was originally. Cpttrevor
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Saturday, October 6th, 2012 AT 1:11 PM
Tiny
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  • MEMBER
  • 27 POSTS
I disconnected the fuel line going into the fuel rail I am getting gas but to me it is not coming with any kind of force. This is the inlet fuel line by the injector rail. Cpttrevor
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Saturday, October 6th, 2012 AT 1:14 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Do you have a multi meter to do some testing?
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Saturday, October 6th, 2012 AT 2:02 PM
Tiny
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  • 27 POSTS
I have the tools yes what should I check and how
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Saturday, October 6th, 2012 AT 2:16 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Theres the info to diagnose the code let me know what you find.
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Saturday, October 6th, 2012 AT 6:56 PM
Tiny
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  • MEMBER
  • 27 POSTS
Would this stop the car from starting?
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Saturday, October 6th, 2012 AT 9:00 PM
Tiny
SATURNTECH9
  • MECHANIC
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A problem with the throttle by wire system can cause the car to go in limp mode and if the fault is still detected when you go to start it can cause it to not start. They dont want you driving around with a problem with the throttle by wire system.
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Sunday, October 7th, 2012 AT 2:58 AM
Tiny
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  • MEMBER
  • 27 POSTS
I have check all the things you told me too. Here are the readings in resistance APS1 Pin 7 and 8 = 5.30 ohms. APS 2 Pin1 and 2 =4.98 ohms. Stepping on accelerator to monitor signal for APS 1 and 2 with Ignition off all test were made with ignition off. Without stepping no voltage signal in either one or two. Stepping on the accelerator still no voltage signal in either one or two APS. What is the EEPROM and where is it located? Could these results mean a bad ECM? I took it out and before I try to get another one let me know if my results is indicative of a bad computer module. Thank you Cpttrevor
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Monday, October 8th, 2012 AT 3:19 PM
Tiny
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  • MEMBER
  • 27 POSTS
I took my MAF sensor out and put it in another car with same engine car started right up.
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Monday, October 8th, 2012 AT 3:24 PM
Tiny
SATURNTECH9
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Replace the mass air flow sensor then clear the codes and go drive the car and see what codes come back. Without app singals the throttle body shouldnt be working too good.
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Monday, October 8th, 2012 AT 4:32 PM
Tiny
SATURNTECH9
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Your supposed to use a scan tool to monitor that feed back voltage thats why they dont list wire colors terminals etc.
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Monday, October 8th, 2012 AT 6:10 PM
Tiny
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  • 27 POSTS
I used a multimeter per your instructions on Oct 6, I don't have a scan tool I just have OBD11 code scanner. I use the multimeter on OHMS and then volts is this wrong? I put the MAF sensor back in my car and tried to start it would not it just crank but won't start. Cpttrevor
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Monday, October 8th, 2012 AT 9:43 PM
Tiny
SATURNTECH9
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Yes that would be wrong when they say monitor the voltage and do not give instructions on using the multi meter to do that they are talking about using a scan tool to do that. Also if it starts with a mass air flow from another car but not your car I would say that you have a bad mass air flow sensor. Unfornately when diagnosing a car or fixing a car there a tools you just need to perform the diagnosing and repair. Even I have to buy tools to do that.
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Tuesday, October 9th, 2012 AT 2:35 AM
Tiny
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  • MEMBER
  • 27 POSTS
No you misunderstood I took the MAF from my car and put in another car and the other car started right up. Put it back in my car and the same crank but no start. The only scan tool I have is the OBD11 code scanner.
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Tuesday, October 9th, 2012 AT 1:20 PM
Tiny
SATURNTECH9
  • MECHANIC
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You will need a scan tool that can monitor live pedal position sensor voltage. Sorry I did miss understand I thought a different mass airflow sensor started the engine up.
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Tuesday, October 9th, 2012 AT 5:12 PM
Tiny
SATURNTECH9
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So have you checked actual fuel pressure and for a injector pulse?
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Tuesday, October 9th, 2012 AT 5:15 PM
Tiny
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  • 27 POSTS
Out in a new fuel pump and if I squirt starting fluid into throttle body the car starts and run for a while and accelerates like normal and then stop as soon as fluid is burnt off. I keep getting the same code for TPS sensor. So I loosen the screws and moved it slightly and the car started and ran briefly. I ordered a new TPS and tomorrow I would replaced the original. I am putting my trust in the scanner. Cpttrevor
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Thursday, October 11th, 2012 AT 2:30 AM

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