1st Gen R50 Cooper Most liked posts in thread: Urgent help needed!

hahahahahaahaha I corrected the time. They emailed me yesterday to say the engine did not have a problem even though I sent (you know me) a very detailed email on the fault. So I sent another email on how to find the fault....bingo! an email came back saying the engine goes on 3 cylinders! so they were pulling the injectors to test for flow and pressure. Also they wanted to know what shop worked on the car? I'm sure they think Gringro's can't have the brains to work on their own cars....I put them straight on that subject. Actually I fear more someone else working on my car. They should feel honoured. LOL

Regarding the cost: I really don't want to think about that. The poor Visa is squeezed enough already....Might have to do the Kidney thing LOL

 

This is what got the Total guys in a flap! Just reporting the facts.

Gasolina de mala calidad acabó con el rally del equipo MINI - Puro Motor | Noticias Deportes de Motor e Industria Automotriz Costa Rica

 

Hahaha funny! and SU carbs! I'm not sure if they gave up as the emails are in Spanglish..LOL from what I can understand they can't find the problem but didn't tell me what they had checked and asked for my other set of injectors which is a good idea based on this article:

Deposits also disrupt the normal injector spray pattern, which interferes with fuel atomization and mixing. This results in a lean fuel mixture that may cause the engine to misfire, idle poorly, and hesitate or even stall when accelerating.

It does not take much of a restriction in an injector to lean out the fuel mixture. Only an 8-10% restriction in a single fuel injector can be enough to cause a misfire.

A lean mixture caused by dirty injectors also increases the risk of detonation when the engine is working hard under load.

Lean misfire at any speed increases hydrocarbon emissions that may trigger a misfire code and turn on the Check Engine light on 1996 and newer vehicles with OBD II systems. The code will often be a P0300 random misfire code, or you may find one or more misfire codes for individual cylinders depending on which injectors are affected most.




Also I sent them a comprehensive check list of all the possible cause and checks so they can fill it in so I know what they did and what I have done. Not heard back since then. LOL Regarding Total.....they are a lost cause and not worth the hassle. I figure around 3000+ rally fans in CR now use other gas stations.

 

That's it!! I'm bringing the Mini home. Then I will start again the search for the cure next week. I'm still with fuel damage and sensors....time to get creative!!!

 

The dealer does not have the part but Eminiparts came to the rescue! There is an engineer coming to CR next week....guess what she will be bringing.LOL

 

Wooooooo hooooooooooo I have the new timing chain.....I hope to fit it tonight.

 

I got some rain free time last night. I matched the link pins at the top of the chain but at the bottom the old chain was more than a half a link out. Also I matched up the timing marks but after a few revolutions they start to go out of sync. I reset the marks again but the same issue happens. I presume with the smaller bottom gear and bigger top gear the marks must line up at some point? I just got bored cranking over the engine to see how many turns it takes. Anyway nothing fouled so the timing must be correct. Once the new chain was fitted the chain was about ½” inch less distance to the other side of the chain. Chain guides had no wear so I put them back in. One thing to look for on high mileage engines is the 2 rubber O rings for the oil pump, they go brittle with age and then you will lose oil pressure, Mine were replaced in 2013 and looked good.

 

did some more testing last night with the same result. Just got one more thing to check tonight before the ECU gets packed up ready for my trip back to the US this weekend.

The good thing is I've changed a lot of old parts on the engine which should improve future reliability

 

That's the plan. Last thing I need is to fit the ECU and have the problem return

 

just bought the correct cable from Amazon Amazon.com: YXGOOD INPA K+CAN K+DCAN Car Diagnostic tool Cable OBD USB Interface for BMW R56 E87 E70 etc.(White): Automotive seeing as an engineer is coming to CR on Saturday......Hopefully the light at the end of the tunnel is in sight.

 

The ECU guys just emailed me to say the key is on the way out! They sent me a video to show the EWS and key not communicating for a split second while the engine is running. Another item to add to the list! I still love my Mini.....love/hate thing.

 

2:30am on the to the airport for round 4 of misfire mystery. I've already had interest from Hollywood for a movie lol.

 

My mistake on the knock sensor plug, it was the reverse light switch. I think this is an auto harness because the extra plugs are off the wires that run at the back of the engine and contained the reverse light.

Anyway no worries because once I sat down and investigated what went where I found the re-wire was super simple. I compared plugs and found 11 on the round plug, 4 on the ECU plug and 1 on the power plug that I did not have on my harness. All these wires ran back to the ones I had cut. I just removed them and the 2 wires going to the reverse light I removed too because I have manual reverse light switch. The new harness looks in better shape then my old one so I hope this is going to be the cure.

 

Arm is on the mend so tomorrow looks good for the harness installation.

 

Started this morning in positive mood, swapped the harness and crank sensor then fitted the ECU etc. went for a start and eventually the engine fired up hoooooo wooooooo!

Went for the 3000rpm all seemed well for a few minutes then the issue was back. At this point I switched the engine and walked away. About 2 hours later I decided to go through the Bentley manual to see if I'm missing something, I read the Tmap controlled the ignition and mixture. I had replaced the Tmap so I pulled the plug, started the engine then at 3000 no issues. Yes folks you heard correct. No issues A little shocked I put the old sensor on with issue returning, no sensor , no issues. So I'm thinking the harness may had an issue and buggered up both of the sensors? Anyway the Tmap seems to be the issue. Anyone run without this sensor?