89 Honda Prelude starting problem?

Question:
1989 Honda Prelude starting problem?
I have a 1989 Honda prelude automatic 2.0 si i have been having starting problems my car will start then when i go into a store and come back out it wont turn on i have to sit in the car for up to a half hour til it will turn on at times it wont even turn on when it hasn't been turned on in a while i heard it may something called the main relay switch what is that and were is it at in my car? How much does it cost and is it something i have to take in for someone to put in or can i do it and how long does it take can you also tell me what it looks like so i know what i am looking for? When calling for the part what is the correct term is in Main relay switch? do you happen to know how much it cost? i want to thank you for you help

Why?? two spark plugs per cylinder on my car?


Additional Details

i want reaplace my diesel engine with a petrol one ,peguot 307 sw 2005 ?


2 hours ago
Also when i know that my car wont start its when i see that the check engine light is on and it wont go off till it goes off i know my car will turn on

Answers:

I had my oil changed at the dealership where I bought my car, after I left my car was driving kind of sluggish

Seems to me the electric fuel pump has gone weak.. allowing the fuel lines to vapor-lock!

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Does this help any?

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the oil pump may be the causes

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Relay is under dash next to drivers kick panel. We had to pull the dash out 6 inches to reach it. I wired it with longer wire and ground so it can be easily replaced. $25. Junkyard.We call it a fuel relay.

My friend has a 99 Explorer an it is stuck in 4 wheel drive he said he didnt shift into the 4x4 HElp Please!?

It could just be a bad signal being relayed to the ecu and that can be reset by disconnecting the power. I would try this first. You can do this or take it to a mechanic, it shouldn't cost very much if the mechanic is honest.
Good luck to you!

My kia classic model 2000 car's engine is oozing out oil?

You need to replace the main relay it controls the fuel pump. Buy a new one if u get a used one u will have the same problem again later.

everything in my car works, but it wont start. what is worng?


12 year honda tech
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