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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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injection problem help wantedViews : 261 Replies : 5Users Viewing This Thread : |
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#1 |
New Member
Last Online: Yesterday 22:18
Join Date: May 2024
Location: mynydd llandegai
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iam a new member with a electical problem ,I bought this car after it was in dry storage for 26years ,fuel system as been cleaned out and injectors tested ok ,but the injectors will not open ,( suspect a switching fault) .engine starts when cold start relay is energised but when starter motor is stop engine dies when cold start is shut down ,can any body give advise where to look for me to fix this problem please. phone 01248601099
thanks Dave |
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#2 | |
Experienced Member
Last Online: Yesterday 23:56
Join Date: Jun 2007
Location: L/H side
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The Following User Says Thank You to Clan For This Useful Post: |
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#3 |
New Member
Last Online: Yesterday 22:18
Join Date: May 2024
Location: mynydd llandegai
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thank you ,iwill check today
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#4 |
Premier Member
Last Online: Today 02:13
Join Date: Jul 2007
Location: Connecticut, USA
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Dave;
Fuel Rail Pressure is probably OK as it also supplies the Cold Start Injector, but it would be one of the first things to verify when troubleshooting the D-Jet System. See: https://www.sw-em.com/bosch_d-jetron...sure_Regulator To check if Injectors are supplying fuel to engine, here is a good test: https://www.sw-em.com/bosch_d-jetron...Fuel_Injectors ...main Injector pulsing is generated as a function of contacts in Distributor as Clan notes. These are not really adjustable but should be clean and lubed a bit. General D-Jet troubleshooting guide: https://www.sw-em.com/bosch_d-jetron..._fault_tracing Good Hunting! |
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#5 |
Member
Last Online: Jul 4th, 2024 21:50
Join Date: Apr 2017
Location: Sale
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What year is your car? If it has fuel injection I'm assuming that it is a 1800E or 1800ES?
Roy |
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#6 |
Master Member
Last Online: Yesterday 15:39
Join Date: Jul 2020
Location: Saskatchewan, Canada
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When checking the D jet triggering contacts in the base of the distributor, closely inspect the wiring. The D jet wiring suffers from insulation deterioration and the wiring may have failed at the plug body. Bosch / Volvo did not select a very durable wire insulation for the D jet harness. You can do spot repairs; but, give the complete D jet wiring harness a very close visual inspection; because I am willing to bet a beer that the insulation is crumbling at most of the plug bodies.
Wiring, wiring insulation and terminal failures are a huge contributor to D jet mal operation. Limited damage can be repaired; but, be sure to check the complete harness because after 50 years the damage is rarely limited. Complete new injector harnesses are available. |
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