P38 2.5 hot start issues.

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Rangeroverbass

Member
Posts
50
Location
Southampton
Hello everyone. I know this is a covered subject as I've gone through everything recommended. I've replaced my in tank fuel pump. Fitted a non return valve. Replaced the olives and union's at top of pump. My car will always start. But after a fair few cranks and then a big puff of diesel comes out. However when it's cold and the glow plugs heat up up. It fires up Straight away. Basically. I'm. Getting fed up. Can I just wire a switch to the glow plugs past the relay? So. It'll still work as it should. But then when the. Ecu doesn't turn them. On. I can? Thanks boys
 
If it’s a pre MY98 it will probably need a hotstart. I’m struggling with mine it has a homemade one. Ebay kit timer version is what you want

If it’s a later p38 think the issue was resolved by then so something else is wrong

Are your plugs in good condition? general rule here is don’t get the cheap ones. Beru seems a favourite
 
You can make one like me if you are crazy :D
CD8CB957-4442-4BB1-B0BC-9FBC21301514.jpeg


Best off get one off eBay first as last they are about £35 come in nice box. Will bring glows and cold start fuel on with ignition when engine is warm and you’ll be fine.

Make sure it’s a timer version - you don’t want it on all the time.
 
Always listen to Wammers with these things.

I’d check you have no bubbles in clear pipe first and no leaks at FIP

Your year will benefit from HS though ;)

Static timing would help if you have a dti gauge and time. Better than a mod.
 
Yeah I think I'll get one while I save to replace chains. Only just spent a load on it. And it does say on diagnostics that the fuelings out so guessing thats why. Explains all.
 
Rangeroverbass said:
Yeah I think I'll get one while I save to replace chains. Only just spent a load on it. And it does say on diagnostics that the fuelings out so guessing thats why. Explains all.
Click to expand...

Can you record a trace of the EDC fuelling to SD card and zip and attach the file? Idling while warm only.

What's the modulation and what mileage is yours on?

Wammers is almost certainly correct but hot-start might let you limp on for a but until funds/time allows. Mine has needed new chains for years now. :)
 
Grrrrrr said:
Can you record a trace of the EDC fuelling to SD card and zip and attach the file? Idling while warm only.

What's the modulation and what mileage is yours on?

Wammers is almost certainly correct but hot-start might let you limp on for a but until funds/time allows. Mine has needed new chains for years now. :)
Click to expand...
I can I'll get an sd card and do it. There's. 170000 on the car but this engine. Was. 98000 and put in a couple thou ago. It's now running lovely and picks up well. Just the start issue. Just. Out of curiosity. Could it maybe. Have something to do with the fact it's a new. Engine with. The. Original ecu?
 
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