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My 03 Pontiac Grand Am is giving me a code reading

Sent to Car Experts May 29 2006 at 9:09 AM
   

My 03 Pontiac Grand Am is giving me a code reading P0435-EVAP Control System Pressure Sensor High Input what can be the problem

 

Optional Information:
2003 Pontiac Grand Am 6

Customer (name blocked for privacy)
Status:  Closed   Value: $10
Answer
May 29 2006 at 9:15 AM (5 minutes and 5 seconds later)
         
ACCEPTEDCheck Mark
There is a fuel tank pressure sensor located in the top of the fuel sender assembly.It could be bad or the wiring to it may be bad.It could be the computer but that isn't very likely.I would check the connections at the fuel sender first.If it's corroded or unplugged it should be easy to find.

Master ASE Certified.L1 Advanced Engine Performance Certified.Pa Emission Repair Technician.Just Answer Car Category Mentor.
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Davo -- Master technician -- 99% Positive Feedback on 1958 Car Accepts
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Reply
May 29 2006 at 9:27 AM (12 minutes and 30 seconds later)
         
Reply to Davo/diablo666's Post: Where would the fuel pressure sensor be locate at.and is it somthing that can be tested
Customer (name blocked for privacy)
Answer
May 29 2006 at 9:36 AM (8 minutes and 43 seconds later)
         
ACCEPTEDCheck Mark
The sensor is located at the top of the gas tank in the center.It just pushes down into the fuel pump sender assembly.It can be tested but a scan tool is required to do so.You may have to lower the tank to get to it.Look in the trunk under the carpet there may be an access panel that you can remove.One wire is ground,another should be 5 volts and the other one is the signal back to the computer and you need a scan tool and evap cart to test to see if it reads correctly.

Master ASE Certified.L1 Advanced Engine Performance Certified.Pa Emission Repair Technician.Just Answer Car Category Mentor.
Picture
Davo -- Master technician -- 99% Positive Feedback on 1958 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
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