RPD boost stays at 0psi
#1
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Join Date: 11-23-16
Location: Renton, WA
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RPD boost stays at 0psi
Hey guys so i just joined and I just picked up an 09 cobalt ss/tc used with just under 70k from a dealership but my only complaint is that the boost reading on the rpd just stays at 0psi no matter how I drive it. No CEL or codes. I haven't found any info on what it could be so any help is appreciated as I just got this car and am learning as I go. Thanks!
#2
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Hey guys so i just joined and I just picked up an 09 cobalt ss/tc used with just under 70k from a dealership but my only complaint is that the boost reading on the rpd just stays at 0psi no matter how I drive it. No CEL or codes. I haven't found any info on what it could be so any help is appreciated as I just got this car and am learning as I go. Thanks!
#4
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I scanned the car with my scan tool and no pending or history codes. Ive taken it to WOT and the RPD boost display just stays at zero. I checked all the vacuum and boost hose connections but everything seems to be connected. You say a bad map sensor would do that but wouldn't that set the CEL with a code? Im really stumped. Thanks guys.
#7
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No, find someone around you who has HPtuners or buy a copy of HPTuners (you'll only need the standard) and have them scan the car while operating. I'm trying to recall when a local I tuned had a bad map sensor if it threw a code or not.
#12
Ford dealer or not if you just bought it you should be able to take it back and have them fix it. At least where i live all cars used have at least 3 months of warranty. Unless its from a hole in the wall dealer that just sells used cars. I bought mine from a carmax and the mass air went out a few weeks after and they fixed it for free.
#13
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They said they couldn't do anything because they are ford. Typical right? Anyways about the RPD, it displays everything else except boost. Stays zero. What can I do other than take it back? What causes this?