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Old Nov 21, 2003 | 03:19 PM
  #1  
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javi2001
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Hard to start

Hi all, my father bought an Explorer XLT 1998 recently, I don't have any experience with this model or newer EFI systems, it has about 150K miles and I guess the previous owner didn't make any kind of service/maintenance.

My questions is related to a difficult to start while hot, if engine is cold don't have any problem to start. Moreover if you applied heavy gas pedal it misfires. There is no Check engine light yet, I know I should start replacing spark plugs and cables and I want any advice.

A friend tell me it needs inyector cleaning, but shops offer 2 kind of services, one is on car using some sort of cleaner and a machine hose coneccted to engine and there is a different service wich needs remove inyectors, of course it's more expensive, What do you think???

What more should I check?

Any advise will be appreciated. Best regards;
 
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Old Nov 21, 2003 | 03:43 PM
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Have some one check fuel pressure when hot, should be about 35-40psi....
 
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Old Nov 21, 2003 | 03:45 PM
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Ok, you mean engine off pressure OR engine on pressure?

Any more ideas?
 
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Old Nov 21, 2003 | 03:49 PM
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Key on, Engine off
 
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Old Nov 21, 2003 | 03:50 PM
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P.S. Don't spend money on cleaning injectors, it's a scam....
 
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Old Nov 21, 2003 | 03:52 PM
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What supposed should I do with inyectors? replace when?
 
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Old Nov 21, 2003 | 03:55 PM
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Do not replace until they are verified failed. Very rare for injectors to fail....
 
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Old Nov 27, 2003 | 03:49 PM
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Ok, I'll start checking pressure, plugs, cables and so... then I'll advise
 
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