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Car hesitates until it warms up

T

tone the cone

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Location
Leamington Spa
Car
Honda Accord
I have had my 02 Honda 1.8 S for six months and have always had the same problem. The car hesitates when on low revs until it warms up and then its fine. I have changed the plugs, cleaned the EGR, checked hoses for leaks, changed the Throttle Body, changed the IACV, changed the 3 heat sensors and its still doing the same. Any ideas anyone, I'm desperate Dan.

Tony
 
Have you checked the valve clearances?

Recently I had a similar problem and some of the valves were a little off. After adjusting them, it got like new.
 
No you don't.

If you have a 2002, 1.8 Accord, you have manually adjusted valves. I have the same car and I have adjusted them several times, although a year 2000!
 
I don't think they are hydraulic mate, I've had the cylinder head off my 2 litre engine and it definitely wasn't. What's your engine code? The only car I've got with hydraulic cam followers is my 21 year old Golf, I didn't think they were used in modern cars??
 
They are used in most cars today, but not in Honda, which continues to use the traditional manual valve tappets, at least in petrol engines.
 
skhell said:
No you don't.

If you have a 2002, 1.8 Accord, you have manually adjusted valves. I have the same car and I have adjusted them several times, although a year 2000!
Click to expand...

I bow to your superior knowledge. I will definately have the valve clearence checked now. Thanks a lot its nice to talk to people who know what they are on about. Do you know what the Intake and Exhaust settings are?
 
Do a search on the forum for the gap sizes, I'm on my phone so can't get you the link now.

Skhell posted them up sometime last year in a thread about adjusting the valves
 
If you have a F18B2 engine, the valve gaps should be the following:

Intake: 0.26 mm (0.010 in) + 0.02 mm (0.0008 in)
Exhaust: 0.30 mm (0.012 in) + 0.02 mm (0.0008 in)
 
skhell said:
If you have a F18B2 engine, the valve gaps should be the following:

Intake: 0.26 mm (0.010 in) + 0.02 mm (0.0008 in)
Exhaust: 0.30 mm (0.012 in) + 0.02 mm (0.0008 in)
Click to expand...
This!!! B) And none of the 6th gens have hydrolic valves on them. They are all manual.

When checking the clearances, make sure the car is REALLY cold, so idealy been left overnight. Otherwise you will definatly end up with wrong valve gaps.
 
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