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Discussion Starter #1
Hi All,


My 2004 Rav4 cranks at normal speed but takes long to start after sitting for a few hours. I have no check engine light or codes. I had the battery, alternator and started tested and they were fine. I went ahead and got a new battery anyway and that did not make a difference. I replaced the MAF sensor and also checked the coolant temperature sensor but the problem still persists. I tried to turn key on and off a couple for times before starting. I also cleaned the throttle body, and replaced the plugs. None of this made a difference.
Once the car starts, its fine, no rough idle. If I immediately restart the car it will start normally with no starting hesitation. Does anyone have any suggestions as to what the problem may be?



Thank you all!
 

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Try turning the key on without starting it. Wait 30 seconds or so and then turn it to start. If it starts right up, it may be a balky fuel pump. Normally fuel stays pressurized in the fuel rails, if it doesn't then it might take a few seconds to pump up the pressure.
 

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Try turning the key on without starting it. Wait 30 seconds or so and then turn it to start. If it starts right up, it may be a balky fuel pump. Normally fuel stays pressurized in the fuel rails, if it doesn't then it might take a few seconds to pump up the pressure.
My thoughts also.
 

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Discussion Starter #4
Thank you for your replies. I tried that and it made no difference. I even tried to turn key on and off couple of times and it was the same. I ordered a new oem crank sensor and will put it in this weekend to see if it makes a difference. I want to change most of the sensors anyway since that car has 185,000 miles and has been trouble free so far.
 

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I finally fixed the hard starting problem with my Rav4. Maybe this would help someone out. I replaced the fuel pump, fuel pickup screen, fuel pressure regulator and fuel filter. It seems like my hard starting problem was the fuel filter. Take a look at the opened fuel filter. I have no regrets replacing all the other parts. I figured it’s better to do it now since I had to take out the fuel pump, fuel regulator and fuel screen anyway.
 

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