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306 hdi now starting normally but won't rev past 2500 any ideas ??
#90
Apologies if I've missed it, but what age is this HDi?

Early cars (so 1999 T and early V reg) have a particular Bosch ECU variant that will go into limp mode if there's anything wrong with the MAF, including it being unplugged. Later cars don't do this and will happy run unplugged.

Check the ECU number on your car and see if it's the early version that does cause limp home for MAF issues - if it is, then that MAF error is probably the cause of your problems. Assuming the MAF you tried was known good, check the wiring carefully for damage and bell the wires through with a multimeter to check for breaks.
1990 Peugeot 205 GTi 1.9 // 1991 Peugeot 205 GTi 1.9 16v // 1992 Peugeot 205 GTi 1.9 // 1999 Peugeot 306 HDi Estate
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RE: 306 hdi now starting normally but won't rev past 2500 any ideas ?? - by powerandtorque - 27-01-2014, 03:53 PM

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