Strange problem with my Accord - Civinfo
 
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post #1 of 4 (permalink) Old 17th December 2014, 21:59 Thread Starter
 
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Strange problem with my Accord

I'm having some problems with my 54 Accord Tourer and I'm hoping someone can throw some light on it.

About a month ago my engine cut out when pulling from a side road which is on quite a steep slope and the glow plug light started flashing as air had somehow got into the fuel system. I tried manually priming the pump but couldn't get it to start so I called the AA. They primed it some more and after about 15 seconds of cranking the engine started and there were no warning lights showing so I didn't think any more of it.

About a week later I was pulling out of another side road (also on quite a steep slope) when the engine management light came on and the car went into limp mode.

I took the car to my local garage who gave me 3 fault codes:
P1384 glow plug circuit fault
P0087 Fuel rail / System pressure too low
P1065 fuel pressure lower than expected

The garage replaced the fuel filter with a genuine honda/bosch one but this didn't clear the fault codes and so they told me I may need either a fuel pump or a fuel rail and gave me Honda's prices. I paid them for their work and took the car back and since then further strangeness has happened.

Twice, once the engine has warmed up and has driven about 10 miles at high speed on the motorway (70mph) the engine would suddenly rev over 2000rpm and drive normally but the engine management light remained on.

Even more odd was that when I parked the car, left it for around 20 mins and came back to it the engine management light had switched off and the car drove normally. However when I've left the car overnight the engine management light has then come back on.

I can only think that something is happening when the engine warms up and revs to 2000 rpm for an extended period.

I've put some fuel additive in the fuel in case there was something in the fuel lines somewhere which was causing the problems but so far this hasn't helped.

I've read through all the different potential problems which may be causing it and I also wonder whether the initial fault and subsequent problems both happened on a steep slope have anything to do with what is wrong.

I'm considering doing one (or possibly more) of the following but I'm not sure which is best to start with considering I've seemingly ruled out the fuel filter already.

1 - Buying a brand new overpressure valve (like this one Bosch Honda Pressure Relief Valve F00R 001 166 | eBay) and getting it fitted but otherwise not replacing the fuel rail or fuel pump

2 - Buying a used fuel rail system (like this one HONDA 2.2 Diesel Fuel Rail 0445214051 16610RBDE01 Civic CRV Accord | eBay) and getting it fitted but not buying a new overpressure valve or fuel pump

3 - Buying a used fuel pump (like this one HONDA ACCORD/CIVIC/CRV 2.2 CDTI DIESEL INJECTOR PUMP | eBay)

Therefore please can you give me some advice based on the strange way the fault seems to disappear at times but then keeps returning.

Thanks in advance
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post #2 of 4 (permalink) Old 17th December 2014, 22:14
Bye bye Honda...
 
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Hi Dave,

Were those original 3 fault codes actually deleted after being read?

And are those same ones coming back?

It is possible to put the fuel filter on the wrong way round on these older (pre-facelift) Accords.

The rail over-pressure valve would mostly affect starting... once the engine is running at operating revs the fuel pump can usually shift enough fuel to cope with a degree of leakage. But it would be useful to rule out a leaky valve or worn injectors before replacing expensive parts (like the diesel pump). Someone else here has been having a similar problem and there's a bit of info and a useful link in that thread... http://www.civinfo.com/forum/engines...ant-error.html
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post #3 of 4 (permalink) Old 18th December 2014, 09:16 Thread Starter
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Originally Posted by Jon_G View Post
Hi Dave,

Were those original 3 fault codes actually deleted after being read?

And are those same ones coming back?

It is possible to put the fuel filter on the wrong way round on these older (pre-facelift) Accords.

The rail over-pressure valve would mostly affect starting... once the engine is running at operating revs the fuel pump can usually shift enough fuel to cope with a degree of leakage. But it would be useful to rule out a leaky valve or worn injectors before replacing expensive parts (like the diesel pump). Someone else here has been having a similar problem and there's a bit of info and a useful link in that thread... http://www.civinfo.com/forum/engines...ant-error.html
Hi Jon, as far as I know the fault codes were deleted but came back. I just don't understand why sometimes the faults actually disappear after a good run and then return once the engine has completely cooled down.

I've read through the linked post and it talks about the pressure solenoid. Is that another common fault?

I'm also now thinking it could be the injectors so I wondering if it would be cheaper to buy these from a scrappy?

Unfortunately I have no idea when it comes to testing faulty injectors or valves so I would probably have to take the car to a garage to get them to do that but I'm worried about the bills starting to stack up. I was therefore thinking of buying the parts and simply asking them to fit them. That way I can control the bills and hopefully fix the problem.

Would it be a good idea to start by replacing the fuel rail and valve with a part from the scrappy as it's actually cheaper to do that than replace the valve with a new one?
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post #4 of 4 (permalink) Old 18th December 2014, 11:53
Bye bye Honda...
 
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I agree that it's odd to have these problems when cold.

The pressure control solenoid is not a common problem, although I did have to replace mine. However, I suspect people have replaced fuel pumps when in fact this fairly cheap part was to blame.

Checking the injectors for excessive leak-back/leak-off (i.e. the return volume to the fuel tank) is simple, but you do need tubing and containers to divert the flows so they can be monitored... this is a very common check for a diesel specialist to perform, so should be cheap if you don't fancy it as a DIY. On the other hand, injectors (even second hand) are fairly expensive and can cost a lot to actually have fitted, as they are prone to becoming stuck into the head (so needing expensive specialist attention to get them out) plus injectors have to be coded to the ECU, which needs specialist equipment (like an HDS)... so I really wouldn't consider replacing the injectors unless I was sure they was unserviceable.

Similarly, I wouldn't replace the fuel rail before actually checking that the over-pressure relief valve was leaking (which is very simple)... http://www.civinfo.com/forum/how/111...-2-2-ctdi.html

Having your car problem diagnosed using a Honda Diagnostic System (HDS) would probably pinpoint the specific problem... many non-Honda garages have one of these (or other diagnostic equipment that can do the same tests and measurements, such as a Snap-On machine with the correct key). Quite a few members here have their own cheap 'cloned' HDS (I have one of these on loan at the moment from another TypeAccord member).

If you need advice on performing injector tests, then I suggest a search here and on TA for useful threads, someone on TA tested his recently. I've written threads on removing/replacing my own diesel Accord injectors as a DIY that I can find a link for, if you do want to try this yourself (but it's not for the faint-hearted!)
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