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944 starting problems

S

Sunday Driver

PCGB Member
Member
I wonder if someone can point me in the right direction to fix a starting fault with my ’86 944? When I start the car it picks up for a few seconds and then dies. I can do this a few times, using high revs each time it starts, but it still dies for about half a dozen times. As it has run for a few seconds, or up to a minute, a little bit of heat builds up in the engine, so around the seventh time of starting, the car runs normally, and even settles to a normal idle, and then drives as normal.
i am a mechanical amateur and not sure where to start to find the Problem. Please help !!!
 
I'd check the temperature sensor fitted close to the Temperature Gauge sensor but has a Bosch plug fitting compared to the gauge Lucar terminal.Both below the intake manifold near the engine front on RHS engine looking from the front.
Also the 2 reference sensor plugs/cables at the bulkhead-give them a "wiggle"-otherwise sounds like loss of retained fuel pressure possibly the checkvalve on the fuel pump.
 
At last I have the car going again. Starting problem was diagnosed as the Air Mass Meter which some previous owner had been tampering with. It took a while to get a reconditioned one (from Frazerparts), then also had to renew the DME relay ( Bosch part). The car is running really well, but then failed it’s MOT with the two rear brake callipers seized. Found a great local company in Aberdeenshire (North East Brakes) who reconditioned the existing callipers with new pistons and seals and had them back to me in a week.
Car is now MOTd. Just in time to have it sorned and put away for the winter!
 
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