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| 31st October 2008 |
| B20 Fuel Injection Project: still brilliant! |
Our 145 with B20 engine and modern fuel injection is still superb, and even though petrol costs less than £1/litre now, it's still a delight to fill up with LPG and get 300miles for £30!
However Emma has been complaining to me on a couple of occasions that starting the car first thing in the morning at 1° air temperature is not a rewarding experience.
"Tusk" said I, "did you touch the accelerator" thinking arrogantly that this was just a "user problem".
But sure enough, at 8° today I couldn't get the engine to fire, but it did occasionally backfire impressively, so there was obviously loads of fuel kicking around the system.
Then I spotted the reason: the engine was spinning too slowly for the ECU to deem it "cranking", it kept saying "stopped" even whilst the startermotor span.
Clearly fuel injection motors expect far higher startermotor rpm than our good old carb cars, 'cos it was spinning plenty fast for any of our "normal" cars to fire up.
The solution is simple and on the shelf: fit the reduction gear startermotor - this is not only lighter than the original starter, but spins faster also.
Bingo, the engine burst into life instantly, and I must remember to confess the solution to Emma...
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