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FUEL PUMP AND AIR PUMP WILL NOT COME ON. PLS HELP

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firouz haghighi
(@thunder1375)
Eminent Member
Joined: 4 years ago
Posts: 17
Topic starter  

GREETING,  

My son's 2012 sr3 rs chassis #550 stopped running due to bad master switch, I did replace the master switch, the dash comes on, and the engine turns over but it will not start. the fuel pump and the shifter air pump will not turn on. there is no power to the fuel pump and air pump. this is a right drive car. I have tested all fuses and relays with no luck, am i missing something????? pls help me solve this problem. 

big thanks

firouz haghighi 



   
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Josh Spray
(@meatman)
Reputable Member
Joined: 6 years ago
Posts: 287
 

Posted by: @thunder1375

I have tested all fuses and relays with no luck,

Have you confirmed power is reaching the fuel pump and air pump? 

 



   
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CharleyH
(@charleyhradicalsportscarregistry-com)
Famed Member Admin
Joined: 8 years ago
Posts: 1941
 

Hi Firouz (@thunder1375), I sent your “Ask the Radical Factory” request to the factory and they told me that you resolved this issue with the help of Group A Racing.  Is this correct?



   
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firouz haghighi
(@thunder1375)
Eminent Member
Joined: 4 years ago
Posts: 17
Topic starter  

yes, they responded to group A and said check the fuses on the left side under the side pod. well there is three relays and i used a replay tester and they checked out good i even swapped them with no luck. is there fuses under the right-side pod that i am missing or do they call the relays fuse.  i am open to text anything to solve this issue.   when the main switch is turned there is no power to fuel pump nor air pump.



   
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Dan Phillips
(@rlm-dan)
Reputable Member
Joined: 7 years ago
Posts: 301
 

Firouz,

When you power the car on does the AIM show things like the water and oil temperature? 

Can you plug in your laptop and connect to PT Mon to see what it is showing?



   
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firouz haghighi
(@thunder1375)
Eminent Member
Joined: 4 years ago
Posts: 17
Topic starter  

i will do so and report back, much appreciate the help.   

big texas thanks



   
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K Last Name
(@fsts2k)
Eminent Member
Joined: 3 years ago
Posts: 29
 

I would grab a multi-meter and start tracing wires back to source. In my 2022 (left hand drive) I did not have any electrical under the right side pod, all is behind the dash and in the left side pod. Unsure how the model years differ. 

Do you know why the master switch went bad? Have you checked battery voltage? have you tried bypassing the switch with a jumper to see if you can replicate it? 

 

Sorry I don't have an answer, these are things I would start to do to troubleshoot. 

 



   
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